CuCl2 ---> Cu(OH)2 ---> CuO ---> ClCl2
1. CuCl2 + 2NaOH = Cu(OH)2 (осадок, стрелка вниз) + 2NaCl
2. Cu(OH)2 = (t) CuO + H2O
3. CuO + 2HCl = CuCl2 + H2O
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CuCl2 ---> Cu(OH)2 ---> CuO ---> ClCl2
1. CuCl2 + 2NaOH = Cu(OH)2 (осадок, стрелка вниз) + 2NaCl
2. Cu(OH)2 = (t) CuO + H2O
3. CuO + 2HCl = CuCl2 + H2O