Cu + 2H2SO4(конц)= CuSO4 + SO2 + 2H2O
CuSO4+ 2 NaOH= Na2So4 + Cu(OH)2
Cu(OH)2 + HCl = CuOHCl + h2o
CuOHCl + HCl = CuCl2 + h2o
CuCl2 + Fe = FeCl2 + Cu
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Verified answer
Cu + 2H2SO4(конц)= CuSO4 + SO2 + 2H2O
CuSO4+ 2 NaOH= Na2So4 + Cu(OH)2
Cu(OH)2 + HCl = CuOHCl + h2o
CuOHCl + HCl = CuCl2 + h2o
CuCl2 + Fe = FeCl2 + Cu