Предмет: Химия, автор: bmaksim802

Розрахуйте мосову частку Оксигену в Al2O3

Ответы

Автор ответа: Lera24111306

Ответ:

47%

Объяснение:

Mr(Al2O3) = 27*2+16*3=102

W(Al2O3) =48/102*100%= 47%

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