Ответ:
Объяснение:
1) CuO + H2SO4 = CuSO4 + H2O
CuSO4 + 2NaOH = Cu(OH)2↓ + Na2SO4
Cu(OH)2 + 2HCl = CuCl2 + 2H2O
2) Fe2O3 + 6HCl = 2FeCl3 + 3H2O
FeCl3 + 3NaOH = Fe(OH)3↓ + 3NaCl
Fe(OH)3 + 3HCl = FeCl3 + 3H2O
1).
2).
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Ответ:
Объяснение:
1) CuO + H2SO4 = CuSO4 + H2O
CuSO4 + 2NaOH = Cu(OH)2↓ + Na2SO4
Cu(OH)2 + 2HCl = CuCl2 + 2H2O
2) Fe2O3 + 6HCl = 2FeCl3 + 3H2O
FeCl3 + 3NaOH = Fe(OH)3↓ + 3NaCl
Fe(OH)3 + 3HCl = FeCl3 + 3H2O
1).
2).