http://www.amigonerd.com/mol/ Exercícios para o Vestibular Thu, 09 Sep 2010 17:31:12 +0000 hourly 1 http://wordpress.org/?v=3.0.1 http://www.amigonerd.com/mol/comment-page-1/#comment-16424 Douglas Tue, 24 Aug 2010 01:21:31 +0000 http://www.amigonerd.com/?p=10217#comment-16424 19.12 g/mol + 38.1 g/mol +16 g/mol = 312 g/mol n=1600/312 = 5,12 1 --------6,108 5,12--------x x= 31,27 19.12 g/mol + 38.1 g/mol +16 g/mol = 312 g/mol
n=1600/312 = 5,12
1 ——–6,108
5,12——–x
x= 31,27

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