\(n_{H_2}=n_{H_2SO_4}=\dfrac{11.2}{22.4}=0.5\left(mol\right)\)
\(BTKL:\)
\(m_{Muối}=17.5+0.5\cdot98-0.5\cdot2=65.5\left(g\right)\)
Fe+H2SO4→FeSO4+H2Fe+H2SO4→FeSO4+H2
2Al+3H2SO4→Al2(SO4)3+3H22Al+3H2SO4→Al2(SO4)3+3H2
Zn+H2SO4→ZnSO4+H2Zn+H2SO4→ZnSO4+H2
VddH2SO4=0,50,5=1M