2CuS+3O2=2CuO+2SO2
S(-2)-2e=S(+4). 2. ок-ие
в-ль
O2(0)+4e=2O(-2) 1. в-ие
ок-ль
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2CuS+3O2=2CuO+2SO2
S(-2)-2e=S(+4). 2. ок-ие
в-ль
O2(0)+4e=2O(-2) 1. в-ие
ок-ль