Ответ:
CuO+H2SO4=CuSO4+H2O
CuSO4 + 2NaOH =Cu(OH)2+Na2SO4
Cu(OH)2+2HCl=CuCl2+2H2O
Fe2O3+6HCl=2FeCl3+3H2O
FeCl3+3NaOH=Fe(OH)3+3NaCl
3HCl + Fe(OH)3 = FeCl3 + 3H2O
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Ответ:
CuO+H2SO4=CuSO4+H2O
CuSO4 + 2NaOH =Cu(OH)2+Na2SO4
Cu(OH)2+2HCl=CuCl2+2H2O
Fe2O3+6HCl=2FeCl3+3H2O
FeCl3+3NaOH=Fe(OH)3+3NaCl
3HCl + Fe(OH)3 = FeCl3 + 3H2O