ОЧЕНЬ МНОГО бАЛЛОВ!!!99 БАЛЛОВ!
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1)n2o5+naoh=nano3+h2o
2)NO2+NaOH+O2→NaNO3+H2O
3)2H2O→N2+O2
4)N2O3+H2O → HNO3
5)N2O3+NaOH→nano2+h2o
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