Chapter 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions - Page 179c: 32

$C_3H_4$

Number of moles of $CO_2$: $0.379\ g\div 44.001\ g/mol=0.00861\ mol$ $0.00861\ mol$ of C Number of moles of $H_2O$: $0.1035\ g\div 18.015\ g/mol=0.00575\ mol$ $0.0115\ mol$ of H H/C Ratio: $1.33=4/3$ Empirical formula: $C_3H_4$