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20-11-2022
Chemistry

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ДАЙТЕ ПОВНУ ВІДПОВІДЬ( РОЗПИШІТЬ)

ЗАВДАННЯ.

визначте еквівалентні маси речовин в реакціях KMnO4, у кислому середовищі:

а)FeSO4 * 7H2O

б)Na2C2O4

в)Nal

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