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Destroyer0
@Destroyer0
July 2022
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Какая масса(Ca) прореагирует 8,96л O2(н.у)?
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gusmakvlad
2Ca+O2=2CaO
2 моль 1 моль
n(O2)=8.96/22.4=0.4 моль
n(Ca)=0.4*2=0.8 моль
m(Ca)=40*0.8=32 г
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Answers & Comments
2 моль 1 моль
n(O2)=8.96/22.4=0.4 моль
n(Ca)=0.4*2=0.8 моль
m(Ca)=40*0.8=32 г