What is the percent composition of carbon in glucose (C6H12O6) ? (The molar mass of C = 12.01, H = 1.0079 and O = 16.00.)

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Chemistry

Shannon Ryan

3 February, 23:50

What is the percent composition of carbon in glucose (C6H12O6) ? (The molar mass of C = 12.01, H = 1.0079 and O = 16.00.)

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Maeve Novak · Answer 1

The molar mass of C6H12O6 is 180.1548 g/mol. The molar mass of C6 is 72.06 g/mol. So you divide the molar mass of C6 by the molar mass of C6H12O6 and multiply it by 100: (72.06g C6/180.1548g C6H1206) x100 =.3999 x 100 = 39.99% Carbon in glucose (40% rounded)