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Автор - Daun1010

Рассчитайте химическое количество кислорода в порции, содержащей 1,70 x 10²² атомов кислорода.

Ответ

Автор - top1168

Ответ:

1,70х10 = 1,700 22 вот так

Ответ

Автор - eumarov99

Ответ:

1.7*10`²²---------х=0.028моль

6.02*10`²³------1моль

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