Объяснение:
1) 2SO2+O2=2SO3
2)2NANO3=2NANO2+O2
3)2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
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Объяснение:
1) 2SO2+O2=2SO3
2)2NANO3=2NANO2+O2
3)2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2