Предмет: Химия, автор: hboy9945

обчисліть масову частку Fe в Fe2O3​

Ответы

Автор ответа: anastejsamoskal
1

M(Fe2O3​)=56*2 + 16*3 = 112 + 48 = 160 г/моль

w(Fe) = 112/160 = 0,7(70%)

Ответ: 70%

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