\(n_{Fe_2O_3}=\dfrac{16}{160}=0,1\left(mol\right);n_{CO}=\dfrac{3,36}{22,4}=0,15\left(mol\right)\\ Fe_2O_3+3CO\rightarrow\left(t^o\right)2Fe+3CO_2\\ V\text{ì}:\dfrac{0,1}{1}>\dfrac{0,15}{3}\Rightarrow Fe_2O_3d\text{ư}\\ n_{Fe_2O_3\left(d\text{ư}\right)}=0,1-\dfrac{0,15}{3}=0,05\left(mol\right)\\ n_{Fe}=\dfrac{2}{3}.0,15=0,1\left(mol\right)\\ m=m_{r\text{ắn}}=m_{Fe_2O_3\left(d\text{ư}\right)}+m_{Fe}=0,05.160+0,1.56=13,6\left(g\right)\)