m(Al)=12×0,4=4,8г
n(Al)4,8:27≈0,17моль
0,17. x
4Al+3O2-->2Al2O3
4. 3
x=0,17×3:4=0,1275
V=0,1275×22,4=2,856 литров
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m(Al)=12×0,4=4,8г
n(Al)4,8:27≈0,17моль
0,17. x
4Al+3O2-->2Al2O3
4. 3
x=0,17×3:4=0,1275
V=0,1275×22,4=2,856 литров