Предмет: Химия, автор: solka19

скільки атомів оксигену у формулі H2CO3

Ответы

Автор ответа: zhamby1

0

Ответ:

в угольной кислоте 3 кислорода

Объяснение:

узнать это можно посмотрев на индекс , который пишется в правом нижнем углу

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