\(n_{FeO}=\dfrac{m_{FeO}}{M_{FeO}}=\dfrac{14,4}{72}=0,2\left(mol\right)\)
\(FeO+H_2\rightarrow H_2O+Fe\)
Theo PT: 1 mol _ 1 mol _ 1 mol _ 1 mol
Theo đề: 0,2 mol _ 0,2 mol _ 0,2 mol _ 0,2 mol
\(V_{H_2}=n_{H_2}.22,4=0,2.22,4=4,48\left(l\right)\)
\(m_{Fe}=n_{Fe}.M_{Fe}=0,2.56=11,2\left(g\right)\)