CuO---->X---->Cu(NO3)2--->Cu(OH)2 помогите пожалуйста .
CuO+SO₃=CuSO₄
CuSO₄+Ba(NO₃)₂=Cu(NO₃)₂+BaSO₄
Cu(NO₃)₂+2NaOH=Cu(OH)₂+2NaNO₃
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CuO+SO₃=CuSO₄
CuSO₄+Ba(NO₃)₂=Cu(NO₃)₂+BaSO₄
Cu(NO₃)₂+2NaOH=Cu(OH)₂+2NaNO₃