Предмет: Химия, автор: Christina260399

Сколько литров водорода выделиться при взаимодействии соляной кислоты с 13г цинка, если выход составит 90% от теоретически возможного

Ответы

Автор ответа: niet97
0
n(Zn)=13/65=0.2моль
Zn+2HCl=ZnCl2+H2
n(H2)=n(Zn)=0.2моль
V(H2)=0.9*0.2*22.4=4.032л
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