Предмет: Химия, автор: Аноним

Срочно даю 15 балов!!!!! Определите массовую долю кислорода (в процентах) в нитратной кислоте

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Ответы

Автор ответа: svetka1574

Ответ:

Объяснение:

Mr(HNO3) = 1 + 14 + 16*3 = 63

W(O) = Ar(O) *n / Mr(HNO3) *100% = 16*3 / 63 *100% = 76%

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