CuO->CuSO4->Cu(OН)2->CuCl21. CuO+H2SO4->CuSO4+H2O2. CuSO4+2NaOH->Na2SO4+Cu(OH)2↓3. Cu(OH)2+2HCl->CuCl2+2H2O
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CuO->CuSO4->Cu(OН)2->CuCl2
1. CuO+H2SO4->CuSO4+H2O
2. CuSO4+2NaOH->Na2SO4+Cu(OH)2↓
3. Cu(OH)2+2HCl->CuCl2+2H2O