A compound that is composed of carbon,hydrogen,and oxygen contains 70.6% C,5.9% H,and 23.5% O by mass.The molecular weight of the compound is 136 amu.What is the molecular formula? A)C₈H₈O₂ B)C₈H₄O C)C₄H₄O D)C₉H₁₂O E)C₅H₆O₂

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Quizplus · Accepted Answer

The molecular formula is C8H8O2.The molar mass of the compound is 136 g/mol. The percentage composition of the compound is 70.6% C, 5.9% H, and 23.5% O. The empirical formula of the compound is CH2O. The molecular formula of the compound is a multiple of the empirical formula. The molecular formula is C8H8O2.

A Compound That Is Composed of Carbon,hydrogen,and Oxygen Contains 70