6HCl+2Al=2AlCl3+3H2
n(Al)=204/27=7,56 моль
n(AlCl3)=7,56 моль
m(AlCl3)=7,56*133,5=1009 г
AgNo₃ + HCl--> AgCl + HNo₃
CuO + H2SO4= СuSO4 + H2O