Автор - VeraFisher

CuSO4->Cu(OH)2->CuO->Cu

Ответ

Автор - Анетка125
CuSO4+2NaOH=Na2SO4+Cu(OH)2↓
Cu(OH)2=t=CuO↓+H2O
CuO+H2=H2O+Cu↓

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