Fe + HCl = Al + H(2)SO(4) = Ba + HCl = Zn + H(2)SO(4) = Li(2)O + HCl = ZnO + HNO(3) = CaO + H(3)PO(4) = MgO + HNO(3) = Fe(2)O(3) + H(2)SO(4) = помогите

Fe+2HCl-->FeCl2+H2 2Al+3H2SO4-->Al2(SO4)3+3H2 Ba+2HCl-->BaCl2+H2 Zn+H2SO4-->ZnSO4+H2 Li2O+2HCl-->2LiCl+H2O ZnO+2HNO3-->Zn(NO3)2+H2O 3CaO+2H3PO4-->Ca3(PO4)2+3H2O MgO+2HNO3-->Mg(NO3)2+H2I Fe2O3+3H2SO4-->Fe2(SO4)3+3H2O