Ответ:
w=Ar/Mr
Ar(N)=14
Ar(O)=16
Mr(NO2)=46
w(O)=16*2/46=0,348*100%=34,8%
w(N)=14/46=0,304*100%=30,4%
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Ответ:
w=Ar/Mr
Ar(N)=14
Ar(O)=16
Mr(NO2)=46
w(O)=16*2/46=0,348*100%=34,8%
w(N)=14/46=0,304*100%=30,4%