Помогите с химией, даю 45 баллов. Created by Alex85787857. himiya-ru

Помогите с химией, даю 45 баллов...

August 2022 1 10 Report

Помогите с химией, даю 45 баллов

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комочка №3 4Al+3O₂=2Al₂O₃
1) n (Al)=m/M=13/27=0,5 моль
n (Al): n (O₂)=4:3⇒n (O₂)=0,5/1,3=0,4 моль
2) V(O₂)=Vm*n=22,4*0,4=8,96 л
3) m(O₂)=M*n=32*0,4=12,8 г

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