Предмет: Химия, автор: polinalozenko

Получить реакцией обмена сульфат бария и выделить его из смеси.Вычислить по уравнению реакции массу каждого из исходных веществ которые потребляется для получения 46,6 г сульфата бария.Help!!!

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Автор ответа: Диборан

Na2SO4+BaCl2=BaSO4(белый осадок)+2NaCl n(BaSO4)=m/M=46,6/233=0,2 моль m(Na2SO4)=n*M=0,2*142=28,4 г m(BaCl2)=n*M=0,2*208=41,6 г

polinalozenko: спасибо

Диборан: Все для Вас

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