gracev4112 gracev4112

01-09-2017
Chemistry

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Calculate the mass percentages of carbon hydrogen and oxygen in sucrose

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authenticricket authenticricket

01-09-2017

the formula for sucrose is C12H22O11 with a molecular mass of approx 342g/mol
% mass of C = 12(12) / 342 × 100% = 42.1%
% mass of H = 22(1) / 342 × 100% = 6.43%
% mass of O = 11(16) / 342 ×100% = 51.5%

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