11. The molar mass of a compound is 100 g/mol with the percent composition (by mass) of C : H : O = 65.45% : 5.45% : 29.09%. Determine the empirical formula and the molecular formula.
(A) CHO and C₆H₆O₆
(B) C₃H₃O and C₆H₆O₂
(C) C₃HO and C₆H₂O₂
(D) CH₂O and C₄H₈O₄

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