Cu + Cl2 = CuCl2
CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 = CuO + H2O
CuO + H2SO4 = CuSO4 + H2O
3CuSO4 + 2Al = Al2(SO4)3 + 3Cu
Cu + Cl2 = CuCl2
CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 = CuO + H2O
CuO + H2SO4 = CuSO4 + H2O
3CuSO4 + 2Al = Al2(SO4)3 + 3Cu