HNO2 + PbO2 + H2SO4 = HNO3 + PbSO4 + H2O
N(+3) -2e -> N(+5) 1 ок-ие
в-ль
Pb(+4) +2e -> Pb(+2) 1 в-ие
ок-ль
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HNO2 + PbO2 + H2SO4 = HNO3 + PbSO4 + H2O
N(+3) -2e -> N(+5) 1 ок-ие
в-ль
Pb(+4) +2e -> Pb(+2) 1 в-ие
ок-ль