Предмет: Химия, автор: andreykamianskyi

Обчислити масову частку Оксигену Fe2O3

Ответы

Автор ответа: leshyi27

0

Ответ:

0.3 или 30%

Объяснение:

Mr=56*2+16*4=160

ω=48/160=0.3 или 30%

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