Chapter 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions - Page 179d: 38

$Fe(CO)_5$

Number of moles of $CO_2$ $2.200\ g\div 44.001\ g/mol=0.050\ mol$ $0.050\ mol$ of CO Number of moles of $Fe_2O_3$ $0.799\ g\div 159.69\ g/mol=0.005\ mol$ $0.010\ mol$ of Fe Ratio: $5.00$ Empirical formula: $Fe(CO)_5$