4HCl + MnO2 = Cl2 + MnCl2 + 2H2O
Cl2 + Cu = CuCl2
CuCl2 + 2NaOH = 2NaCl + Cu(OH)2
Cu(OH)2 = CuO + H2O
2CuO = 2Cu + O2
4HCl + MnO2 = Cl2 + MnCl2 + 2H2O
Cl2 + Cu = CuCl2
CuCl2 + 2NaOH = 2NaCl + Cu(OH)2
Cu(OH)2 = CuO + H2O
2CuO = 2Cu + O2