Предмет: Химия, автор: алина701

сколько процентов азота содержиться в NH4NO3

Ответы

Автор ответа: olhim

Считаем молекулярную массу Mr(NH4NO3) = 14+4+14+16*3 = 80
Ну и считаем процент азота w = n*Ar/Mr = 2*14/80 = 0.35
Ответ: 35%

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