Ответ:
1. CuO + H2SO4 = CuSO4 + H2O2. CuSO4 + 2NaOH = Cu(OH)2 + Na2SO43. Cu(OH)2 + HCl = CuCl2 + H2O1. Fe2O3 + 6HCl = 2FeCl3 + 3H2O2. 2FeCl3 + 3K2CO3 + 3H2O = 2Fe(OH)3 + 6KCl + 3CO23. Fe(OH)3 + 3HCl = FeCl3 + 3H2O
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Ответ:
1. CuO + H2SO4 = CuSO4 + H2O2. CuSO4 + 2NaOH = Cu(OH)2 + Na2SO43. Cu(OH)2 + HCl = CuCl2 + H2O1. Fe2O3 + 6HCl = 2FeCl3 + 3H2O2. 2FeCl3 + 3K2CO3 + 3H2O = 2Fe(OH)3 + 6KCl + 3CO23. Fe(OH)3 + 3HCl = FeCl3 + 3H2O