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undertaker81298
@undertaker81298
September 2021
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определить формулу газа, в котором 2,5% водорода, 97,55% селена и плотность которого по кислороду 2,53
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Анетка125
HxSey (x и y - индексы)
M(HxSey)=M(O2)*2.53=2.53*32=81
ω(H)=1*x/81*100%=2.5%
x=2
ω(Se)=79*y/81*100%=97.5%
y=1
Формула
H2Se
2 votes
Thanks 1
undertaker81298
Большое спасибо!)
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Answers & Comments
M(HxSey)=M(O2)*2.53=2.53*32=81
ω(H)=1*x/81*100%=2.5%
x=2
ω(Se)=79*y/81*100%=97.5%
y=1
Формула H2Se