Combustion analysis of 0.326 g of a compound known to contain only C, H, and O produces 0.7160 g CO2 and 0.3909 g H2O. A mass spectrum indicates that this compound has a formula mass of 120 g/mol. What is the molecular formula?

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Multiple Choice

Combustion analysis of 0.326 g of a compound known to contain only C, H, and O produces 0.7160 g CO₂ and 0.3909 g H₂O. A mass spectrum indicates that this compound has a formula mass of 120 g/mol. What is the molecular formula?

C₄H₈O₄

C₃H₈O

C₃H₄O

C₆H₁₆O₂

The molecular formula cannot be determined from the information given.

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