A compound contains 40.0% C, 6.71% H, and 53.29% O by mass. The molecular weight of the compound is 60.05 amu. The molecular formula of this compound is _ _. A) C₂H₃O₄ B) CHO₂ C) C₂H₄O₂ D) C₂H₂O₄ E) CH₂O

Question

Quizplus · Accepted Answer

The empirical formula is CH2O, with a molar mass of 30.03 amu. The molecular formula is twice the empirical formula, C2H4O2, to match the given molecular weight of 60.05 amu.

A Compound Contains 40