問題詳情

72. A certain carbohydrate compound (containing only C, H and O) is 53.3 % C, 11.1 % H, and 35.6 % O by mass. Theexperimentally determined molecular mass is 90 amu. What is the empirical and chemical formula for this carbohydrate?
(A) C2H5O
(B) C3H5O
(C) CH3O
(D) C3H5O2
(E) C4H10O2

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