Предмет: Химия, автор: lkim99061

найти количество вещества в 300г H2CO3

Ответы

Автор ответа: akrivel42

0

Ответ:

4,83 моль

Объяснение:

m(H2CO3)=300 г

n=m/M

M(h2co3) =1*2+12+16*3

M=2+12+48=62 г/моль

n(h2co3)=300/62

n=4,83 моль

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