Предмет: Химия, автор: dimkapofit4ikua

Помогите -- Вычислите массовые частицы Мантию и кислорода в магний оксиде MgO

Ответы

Автор ответа: liya9706

0

Ответ:

Mr(MgO)=24+16=40

w(Mg)=24/40=0.6

w(O)=16/40=0.4

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