Предмет: Химия, автор: Нирата

Помогите решить последнее задание(задачу).. Даю 70 баллов если будет решение+дано

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Ответы

Автор ответа: azamatwppw

2

Ответ:

Дано

m(HCl) - 365г>30%=109,5г

V(H2) - ? л

Решение:

Zn + 2HCl -> ZnCl2 + H2

Mr-73г.

V(H2) = m(HCl) x 22,4л / Mr(2HCl)

V(H2) = 109,5 x 22,4л / 73г = 33,6 л

Ответ: V(H2) = 33,6 л

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