Предмет: Химия, автор: derika6578

СПОЧНО!!!!!ПОМОГИТЕ ПОЖАЛУЙСТА!!!!Fe2O3→FeCl3→Fe(OH)3→FeCl3. Здійсніть перетворення, використовуючи для реакцій тільки хлоридну кислоту та натрій гідроксид. Вкажіть загальну кількість коефіцієнтів в усіх реакціях:
8

12

22

25

28

29

31

Ответы

Автор ответа: tbboneez
0

Fe_{2}O_{3} + 6HCl = 3H_{2}O + 2FeCl_{3}\\FeCl_{3} + 3NaOH = 3NaCl + Fe(OH)_{3}\\Fe(OH)_{3} + 3HCl = 3H_{2}O + FeCl_{3}
Количество коэффициентов получается 23.

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