Предмет: Химия, автор: nastyaaa1015

Дано:
N (Na2O) =3 .10
Знайти:
m -?
n - ?

nastyaaa1015: То что дал учитель то и написала
kr0ch: Есть полное условие задачи?
kr0ch: Я имею ввиду не дано, а сам текст
nastyaaa1015: Нет

Ответы

Автор ответа: Alxemek1000
2

Ответ:

ВНІЗУ карона

Объяснение:

N (Na2O) =3 .10

-----------------------

m -?  n - ?

M=2*M+1*M=2*23+16=62г/моль

m=N*M=3моль*62г/моль=186г

n=2*N=2*3моль=6моль

n=N=3моль

Alxemek1000: НЕ ВЕРИШ ПРОВЕРЬ
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