Ответ:
Hg2(NO3)2+Cu= Cu(NO3)2 + 2Hg
2H2SO4+Cu= CuSO4+SO2+2H2O
3Cu+8HNO3 = 3Cu(NO3)2 + 2NO + 4H2O
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Ответ:
Hg2(NO3)2+Cu= Cu(NO3)2 + 2Hg
2H2SO4+Cu= CuSO4+SO2+2H2O
3Cu+8HNO3 = 3Cu(NO3)2 + 2NO + 4H2O