\(n_{Fe}=\dfrac{11,2}{56}=0,2\left(mol\right)\\ Fe+H_2SO_4\rightarrow FeSO_4+H_2\\ n_{H_2SO_4}=0,2.2=0,4\left(mol\right)\\ Vì:\dfrac{0,2}{1}< \dfrac{0,4}{1}\Rightarrow H_2SO_4dư\\ n_{H_2}=n_{H_2SO_4\left(p.ứ\right)}=n_{FeSO_4}=n_{Fe}=0,2\left(mol\right)\\ a,V_{H_2\left(đktc\right)}=0,2.22,4=4,48\left(l\right)\\ b,n_{H_2SO_4\left(dư\right)}=0,4-0,2=0,2\left(mol\right)\\ m_{H_2SO_4}=0,2.98=19,6\left(g\right)\\ c,V_{ddsau}=V_{ddH_2SO_4}=200\left(ml\right)=0,2\left(l\right)\\ C_{MddH_2SO_4\left(dư\right)}=\dfrac{0,2}{0,2}=1\left(M\right)\\ C_{MddFeSO_4}=\dfrac{0,2}{0,2}=1\left(M\right)\)