Ответ:
1.CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 = CuO + H2O
2.MgCl2 + H2SO4 = MgSO4 + 2HCl
3. Fe2(SO4)3 = Fe2O3 + 3SO3
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Ответ:
1.CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 = CuO + H2O
2.MgCl2 + H2SO4 = MgSO4 + 2HCl
3. Fe2(SO4)3 = Fe2O3 + 3SO3