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)C₂H₄O₂ B)CH₂O C)C₂H₃O₄ D)C₂H₂O₄ E)CHO₂

Question

Quizplus · Accepted Answer

The empirical formula based on the given percentages is CH2O, which has a molar mass of 30.03 amu. The molecular weight of the compound is 60.05 amu, which is twice the empirical formula mass, indicating the molecular formula is C2H4O2.

A Compound Contains 40