Предмет: Химия, автор: tokk12

Определить массовую долю силиция в оксиде силиция - SiO2

Ответы

Автор ответа: saadatjavadova79

0

Ответ:

Данный элемент - кремний. Его оксид - SiO2. Расчитаем масовую долю кислорода в этом оксиде: w=16*2/(16*2+28)=0,533 или 53,3%

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