6-3
7 а-3, б-4, в-2
8 -3
H2SO4 + CuO => CuSO4 + H2O
CuSO4 + BaCl2 => BaSO4 + CuCl2
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Verified answer
6-3
7 а-3, б-4, в-2
8 -3
H2SO4 + CuO => CuSO4 + H2O
CuSO4 + BaCl2 => BaSO4 + CuCl2