tag:blogger.com,1999:blog-25131006299323186692024-03-21T09:54:45.141-07:00sifat-sifat asam cukaagusthinhttp://www.blogger.com/profile/09250814274190047634noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-2513100629932318669.post-16648203970002882072011-10-31T02:17:00.000-07:002011-10-31T02:17:47.248-07:00LKS menentukan pH asam basa larutan<div align="center" class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 200%;">Lembar Kerja Siswa<o:p></o:p></span></div><div class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Menentukan pH asam dan basa suatu larutan dengan indikator PP.<o:p></o:p></span></div><div class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;"> Asam merupakan senyawa kovalen dan akan bersifat asam bila sudah larut di dalam air. Misalnya, gas hydrogen klorida bukan merupakan asam, tetapi bila dilarutkan ke dalam air akan menghasilkan ion H<sup>+</sup>. sedangkan basa umumnya terbentuk dari senyawa ion yang mengandung gugus hidrokarbon (OH<sup>-</sup>) di dalamnya. Meskipun amonia merupakan suatu senyawa kovalen, tetapi bila di dalam air termasuk senyawa basa, karena pada saat dilarutkan ke dalam air akan menghasilkan ion OH<sup>-</sup>. <o:p></o:p></span></div><div class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;"> Untuk mengetahui suatu larutan bersifat asam atau basa dapat dilakukan menggunakan indicator kertass lakmus. Namun, apabila ingin mengetahui berapa pH suatu larutan diperlukan indicator universal atau pH meter.<o:p></o:p></span></div><div class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Tujuan:<o:p></o:p></span></div><div class="MsoListParagraph" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l1 level1 lfo1; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">1.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Dapat menentukan pH larutan yang belum diketahui harga pH-nya menggunakan indicator PP <o:p></o:p></span></div><div class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Alat-alat yang digunakan:<o:p></o:p></span></div><div class="MsoListParagraphCxSpFirst" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l2 level1 lfo2; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">1.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Gelas ukur 4 buah <o:p></o:p></span></div><div class="MsoListParagraphCxSpLast" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l2 level1 lfo2; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">2.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Pipet tetes 4 buah<o:p></o:p></span></div><div class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Bahan yang digunakan:<o:p></o:p></span></div><div class="MsoListParagraph" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l3 level1 lfo3; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">1.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Kertas lakmus merah dan biru, larutan cuka, air jeruk, air keran, dan air deterjen.<o:p></o:p></span></div><div class="MsoNormal" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Cara kerja:<o:p></o:p></span></div><div class="MsoListParagraphCxSpFirst" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">1.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Kertas lakmus merah dan biru ditetesi dengan larutan cuka, air jeruk, air keran, dan air deterjen.<o:p></o:p></span></div><div class="MsoListParagraphCxSpMiddle" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">2.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Catat warna yang terbentuk<o:p></o:p></span></div><div class="MsoListParagraphCxSpMiddle" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">3.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Empat tabung reaksi, masing-masing diisi 3 mL larutan cuka, air jeruk, air keran, dan air deterjen.<o:p></o:p></span></div><div class="MsoListParagraphCxSpMiddle" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">4.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Tambahkan 2 tetes indikator PP pada setiap tabung.<o:p></o:p></span></div><div class="MsoListParagraphCxSpMiddle" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">5.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Celupkan kertas lakmus ke setiap gelas ukur yang berisi larutan tersebut dan ukur pH-nya dengan pHmeter.<o:p></o:p></span></div><div class="MsoListParagraphCxSpMiddle" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">6.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">Catat hasil yang diperoleh pada tabel pengamatan.<o:p></o:p></span></div><div class="MsoListParagraphCxSpLast" style="line-height: 200%; margin-bottom: .0001pt; margin-bottom: 0cm; mso-add-space: auto; mso-list: l0 level1 lfo4; text-indent: -18.0pt;"><!--[if !supportLists]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%; mso-fareast-font-family: "Times New Roman";">7.<span style="font: 7.0pt "Times New Roman";"> </span></span><!--[endif]--><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 200%;">melakukan percobaan seperti diatas terhadap larutan yang lainya.<o:p></o:p></span></div><div class="MsoNormal" style="margin-bottom: .0001pt; margin-bottom: 0cm;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%;">Tabel pengamatan<o:p></o:p></span></div><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-yfti-tbllook: 1184;"><tbody>
<tr> <td style="border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">No. <o:p></o:p></span></div></td> <td colspan="2" style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 169.7pt;" valign="top" width="226"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Larutan<o:p></o:p></span></div></td> <td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Lakmus merah<o:p></o:p></span></div></td> <td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">lakmus biru<o:p></o:p></span></div></td> </tr>
<tr> <td rowspan="2" style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">1<o:p></o:p></span></div></td> <td rowspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Cuka <o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Warna indicator<o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Merah <o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Merah <o:p></o:p></span></div></td> </tr>
<tr> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Harga pH<o:p></o:p></span></div></td> <td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 169.8pt;" valign="top" width="226"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">3,5<o:p></o:p></span></div></td> </tr>
<tr> <td rowspan="2" style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">2<o:p></o:p></span></div></td> <td rowspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Air jeruk<o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Warna indicator<o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Merah <o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Merah <o:p></o:p></span></div></td> </tr>
<tr> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Harga pH<o:p></o:p></span></div></td> <td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 169.8pt;" valign="top" width="226"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">4<o:p></o:p></span></div></td> </tr>
<tr> <td rowspan="2" style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">3<o:p></o:p></span></div></td> <td rowspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Air keran<o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Warna indicator<o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Merah <o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Biru <o:p></o:p></span></div></td> </tr>
<tr> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Harga pH<o:p></o:p></span></div></td> <td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 169.8pt;" valign="top" width="226"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">7<o:p></o:p></span></div></td> </tr>
<tr> <td rowspan="2" style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">4<o:p></o:p></span></div></td> <td rowspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Air deterjen<o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Warna indicator<o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Biru <o:p></o:p></span></div></td> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.9pt;" valign="top" width="113"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Biru <o:p></o:p></span></div></td> </tr>
<tr> <td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 84.85pt;" valign="top" width="113"> <div class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">Harga pH<o:p></o:p></span></div></td> <td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 169.8pt;" valign="top" width="226"> <div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt;">9,5<o:p></o:p></span></div></td> </tr>
</tbody></table><div class="MsoNormal"><br />
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</div><div class="MsoNormal"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%;">Kesimpulan <o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify; text-indent: 36.0pt;"><span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%;">Larutan cuka, dan air jeruk memiliki pH masing-masing 3,5 dan 4. Hasil tersebut menunjukkan bahwa larutan cuka dan air jeruk memiliki sifat asam. Sedangkan untuk air kran memiliki pH7 yang menunjukkan bahwa air tersebut bersifat netral. Pada larutan deterjen memiliki pH9,5 yang menunjukkan bahwa larutan deterjen memiliki sifat basa.<o:p></o:p></span></div>agusthinhttp://www.blogger.com/profile/09250814274190047634noreply@blogger.com0tag:blogger.com,1999:blog-2513100629932318669.post-87182257209269424052011-08-14T17:15:00.000-07:002011-08-14T17:16:17.702-07:00<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvhf4OsZhhG3JmYg_33N2_6IHimbuKAooBBfUZcdS39wwU37fDsc0mmMRCsn11qvGiLUsypjkurZELKURv9-WoAgfx0RqzVdjrQ8oh6TYvbuq8c7I30sLPdontZ_oPz_Iptu9SNXpyg6k/s1600/24.jpg"><img style="MARGIN: 0px 10px 10px 0px; FLOAT: left; CLEAR: both" border="0" alt="" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvhf4OsZhhG3JmYg_33N2_6IHimbuKAooBBfUZcdS39wwU37fDsc0mmMRCsn11qvGiLUsypjkurZELKURv9-WoAgfx0RqzVdjrQ8oh6TYvbuq8c7I30sLPdontZ_oPz_Iptu9SNXpyg6k/s320/24.jpg" /></a>
<br /><div style='clear:both; text-align:LEFT'><a href='http://picasa.google.com/blogger/' target='ext'><img src='http://photos1.blogger.com/pbp.gif' alt='Posted by Picasa' style='border: 0px none ; padding: 0px; background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;' align='middle' border='0' /></a></div>agusthinhttp://www.blogger.com/profile/09250814274190047634noreply@blogger.com0tag:blogger.com,1999:blog-2513100629932318669.post-47545582843008004942011-05-09T05:08:00.000-07:002011-05-09T05:08:44.411-07:00sifat kimia asam cuka<div>asam cuka memiliki struktur kimia sebagai berikut:</div><div>CH3COOH</div><div>mempunyai nama lain etanoat, asam asetat, asam karboksilat atau asam organik lemah yang merupakan zat cair yang tidak berwarna dan berbau khas.</div>sifat sifat kimia asam cuka, meliputi:<div><ul><li>keasaman, atom hidrogen pada gugus karboksil (-COOH) dalam asam karboksilat seperti asam cuka dapat dilepas sebagai ion H(+), sehingga memberikan sifat asam.</li>
<li>sebagai pelarut, asam cuka cair adalah pelarut protik hidrofilik (polar), mirip seperti air dan etanol. asam cuka memiliki konstanta dielektrik 6.2, sehingga dapat melarutkan senya polar dengan baik seperti garam anorganik, gula da senyawa non polar seperti minyak dan unsur-unsur seperti sulfur dan iodin.</li>
<li>reaksi-reaksi kimia, asam cuka bersifat korosif terhadap banyak logam seperti besi, magnesium, da seng, membentuk gas hidrogen dan garam-garam asetat.</li>
</ul>pembentukan asam cuka:</div><div>sukrosa mengalami reduksi menjadi glukosa, kemudian glukosa teroksidasi menjadi etanol, etanol terhidrasi menjadi asetaldehid dan mengalamai oksidasi kembali untuk membentuk asam cuka......</div>agusthinhttp://www.blogger.com/profile/09250814274190047634noreply@blogger.com3