Расставьте коэффициенты в уравнениях реакции:
А) Cu(NO3)2 = CuO + NO2 + O2
Б) SO2 + O2 = SO3
В) FeBr3 + Cl2 = FeCl3 + Br2
Г) Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O
Д) Ba + H2O = Ba(OH)2 + H2
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