A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g of CO2. The empirical formula of the hydrocarbon is:

Engineering

Chemistry

Empirical Formula

Question

A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g of CO₂. The empirical formula of the hydrocarbon is:

C₂H₄

C₃H₄

C₇H₈

C₆H₅

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C_xH_y + O₂ $\overset{}{\to}$ 7CO₂ + 4H₂O

C₇H₈ 3.08 g 0.72 g

0.07 0.04 mole

mole