Автор - falafivkavanya

KOH-ZnOH2-K2ZnZO2-ZnSO4




Na-NaOH-FeOH3-Fe2O3

Ответ

Автор - Диборан
1.1)2KOH+ZnCl2=Zn(OH)2+2KCl
2)2KOH+Zn(OH)2=K2ZnO2+2H2O
3)K2ZnO2+2H2SO4=K2SO4+ZnSO4+2H2O
2.1)2Na+2H2O=2NaOH+H2
2)6NaOH+Fe2(SO4)3=3Na2SO4+2Fe(OH)3
3)2Fe(OH)3=Fe2O3+3H2O.

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