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August 30, 2015

Homework Help: chemistry

Posted by tyeisha colley on Sunday, January 29, 2012 at 7:44pm.

What is the percent by mass of H in ethyl
alcohol (C2H6O)? The molecular weight of carbon is 12.0107 g/mol, of hydrogen
1.00794 g/mol, and of oxygen 15.9994 g/mol.
Answer in units of % Your answer must be
within 0.1%

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