November 2021 1 13 Report
Напишите уравнения реакций, с помощью которых можно осуществить следующие превращения: Fe>FeCl3>Fe(OH)3>Fe2O3>Fe>FeCl2. Переход 4 рассмотрите в свете ОВР; переходы 2 и 5 - с позиции электролитической диссоциации.
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