Ответ:
1) 3Cu + 8 HNO3 = 3Cu(NO3)2 + 2NO + 4H2O
2) 2NO + O2 = 2NO2
3) 4NO2 + O2 + 2H2O = 4HNO3
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Ответ:
1) 3Cu + 8 HNO3 = 3Cu(NO3)2 + 2NO + 4H2O
2) 2NO + O2 = 2NO2
3) 4NO2 + O2 + 2H2O = 4HNO3