Calculate the no of c2h5oh molecules that contains 12 hydrogen atoms
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mass of carbon C = 12
mass of hydrogen H = 1
mass of oxygen O = 16
therefore mass of ethanol = 12 x2+1x5+16+1=46
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mass of hydrogen H = 1
mass of oxygen O = 16
therefore mass of ethanol = 12 x2+1x5+16+1=46
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