Предмет: Химия, автор: polinaddv1

Вычислите объем аммониака, который образовался при взаимодействии азота массой 4,2 г с водородом.

Ответы

Автор ответа: eRussia29rus
0

Ответ:

6.72 л

Объяснение:

4,2 г - Х(литров)

 N₂ + 3H₂  = 2NH₃

n= 1 моль                             n=2 моль

М=28 г/моль                   Vm=22,4 л/моль

m=28 г                              V = 44,8 л

4,2 г   N₂  -    Х л   NH₃

28 г   N₂   -   44,8 л  NH₃

V(NH₃)= 4,2 × 44,8 / 28 = 6,72 л


polinaddv1: можете описать словами что за чем делаем? Не могу понять...
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