Предмет: Химия, автор: metroviky

Визначить масові частки елементів у кальцій оксиді

Ответы

Автор ответа: svetka1574
0

М(CaO) = 40 +16 = 56

W(Ca) = Ar(Ca) * n / Mr(CaO) *100% = 40*1 / 56 *100% = 71%

W(O) = Ar(O) *n / Mr(CaO) *100% = 16*1 / 56 *100% = 29%

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