July 2022 1 12 Report
нужна помощь!!!!!!!! плез!!!!!!
Определи химическое количество кислорода в порции, содержащей 45,15⋅1023 молекул.

Вычисляй с точностью до десятых. В ответе запиши число. Например: 1,5.
Ответ: химическое количество кислорода равно.....?....моль.
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