Вычислить массовые доли элементов в азот (4) оксиде - №32013165

Вычислить массовые доли элементов в азот (4) оксиде
- Предмет:
  Химия
- Автор:
  armanibruce
- 6 лет назад

Ответы 1

Mr(NO2)=14+16*2=46
W(N)=Ar(N)*n/Mr(NO2) *100%=14*1/46 *100%=30%
W(O)=Ar(O)*n/Mr(NO2) *100%=16*2/46 *100%=70%
- Автор:
  darryl
- 6 лет назад
- 0
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