September 2021 0 12 Report
Вычисли объем водорода, который выделится в результате взаимодействия 52 г цинка с раствором соляной кислоты при нормальных условиях. Ar(Zn) = 65. Выбери уравнение реакции:
Вычисли количество вещества цинка
моль
По уравнению реакции найди количество вещства водорода:
моль
Вычисли объем водорода:
л
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