Предмет: Химия, автор: mjynhbtrvecw9191

Какая масса фосфата кальция нужна для получения 62 кг фосфора при выходе реакции 80 процентов?

Ответы

Автор ответа: boss12121

Ответ:М (Н3РО4) = 98 кг/кмоль

М (Р) = 31 кг/кмоль

1)31 кг Р - 98 кг Н3РО4

62 кг Р - Х кг Н3РО4

Х = 196 кг Н3РО4

2)196 кг : 80% * 100% = 245кг.

ответ 245 кг

Объяснение:

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