tag:blogger.com,1999:blog-19474357140261129042011-07-03T19:48:10.368-07:00reboga.blogspot.comBerbagi ilmu bersama, sekalipun kecil namun ada manfaatnya, daripada tidak untuk selamanya.rebogahttp://www.blogger.com/profile/02920319995490289562noreply@blogger.comBlogger11100tag:blogger.com,1999:blog-1947435714026112904.post-72430666714535898072011-07-03T18:24:00.000-07:002011-07-03T19:14:05.297-07:00Hukum Perbandingan tetap ( Hukum Proust )<div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/-d0N3_LNGNA0/ThEV-m6kNLI/AAAAAAAAAAU/99le00dmqow/s1600/proust.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/-d0N3_LNGNA0/ThEV-m6kNLI/AAAAAAAAAAU/99le00dmqow/s1600/proust.jpg" /></a></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US"><b>Proust&nbsp;</b></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US"><b>Senyawa</b> terbentuk dari unsur-unsur&nbsp; yang berbeda dengan perbandingan massa yang tetap. Hal ini berdasarkan pada hukum perbandingan massa tetap ( Hukum Proust ).<o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Jika gas hidrogen direaksikan dengan gas oksigen, akan menghasilkan air, dengan reaksi :<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">Gas Hidrogen&nbsp;&nbsp;&nbsp;&nbsp; +&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Gas Oksigen &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="EN-US" style="font-family: Wingdings;">è</span><span lang="EN-US">&nbsp;&nbsp;&nbsp; Air<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">1 g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8 g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9 g<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">2 g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;16 g&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;18 g<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">5 g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;40 g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;45 g<o:p></o:p></span></div><div class="MsoNormal"><br /></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Perbandingan massa gas hidrogen, gas oksigen, dan air selalu tetap, yaitu 1 : 8 : 9.<o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Bagaimana jika massa gas Hidrogen atau gas Oksigen bukan merupakan kelipatan dari&nbsp; &nbsp;perbandingan ?<o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Semisal, 1 gram gas hidrogen breaksi dengan 10 gram oksigen, berapa massa air yang terbentuk ?<o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Gas apakah yang tidak bereaksi ? berapa gram sisa gas yang tidak bereaksi ?<o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Perbandingan yang kelipatannya lebih kecil adalah hidrogen, berarti seluruh gas hidrogen bereaksi. <o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Dan gas oksigen tidak seluruhnya bereaksi.<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">Massa gas oksigen yang bereaksi&nbsp;&nbsp; &nbsp;=&nbsp;&nbsp; 8 g<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">Massa gas oksigen sisa &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;=&nbsp;&nbsp; 10 g – &nbsp;8 g = 2 g<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">Massa air yang terbentuk &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=&nbsp;&nbsp; massa gas hidrogen +&nbsp;</span></div><div class="MsoNormal"><span lang="EN-US">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;massa <b style="mso-bidi-font-weight: normal;">gas oksigen yang bereaksi<o:p></o:p></b></span></div><div class="MsoNormal"><span lang="EN-US"><span style="font-weight: bold;">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</span>=&nbsp; </span><span lang="EN-US">&nbsp;1 g &nbsp;+ &nbsp;8 g<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=&nbsp;&nbsp; 9 g<o:p></o:p></span></div><div class="MsoNormal"><span lang="EN-US">Contoh Soal :<o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Jika perbandingan massa karbon dan massa oksigen yang bereaksi&nbsp; adalah 3 : 8, karbon dioksida yang terbentuk sebanyak 55 gram , berapa gram massa karbon dan massa oksigen yang bereaksi ?<o:p></o:p></span></div><div class="MsoNormal" style="text-align: justify;"><span lang="EN-US">Pembahasan :<o:p></o:p></span></div><div class="MsoNormal" style="tab-stops: center 241.0pt;"><span lang="EN-US"><br />massa karbon + massa oksigen &nbsp;&nbsp; &nbsp; &nbsp;</span><span class="Apple-style-span" style="font-family: Wingdings;">è</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;massa karbon dioksida</div><div class="MsoNormal" style="tab-stops: center 1.0cm;"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3 g&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;8 g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; 11 g<o:p></o:p></span></div><div class="MsoNormal" style="tab-stops: center 1.0cm;"><span lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ? g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;? g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;&nbsp; 55 g<o:p></o:p></span></div><div class="MsoNormal" style="tab-stops: center 1.0cm;"><span lang="EN-US">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;</span></div><div class="separator" style="clear: both; text-align: center;"><a href="http://1.bp.blogspot.com/-g4gZSSGN76U/ThEVHHiTwGI/AAAAAAAAAAQ/1rEGOfSgUoM/s1600/Image1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-g4gZSSGN76U/ThEVHHiTwGI/AAAAAAAAAAQ/1rEGOfSgUoM/s1600/Image1.jpg" /></a></div><div class="MsoNormal" style="tab-stops: center 1.0cm;"><br /></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1947435714026112904-7243066671453589807?l=reboga.blogspot.com' alt='' /></div>rebogahttp://www.blogger.com/profile/02920319995490289562noreply@blogger.com0