Ответ:
2Fe + 3Cl2 → 2FeCl3
2FeCl3 + Fe → 3FeCl2
3NaOH + FeCl3 → Fe(OH)3 + 3NaCl
2Fe(OH)3 → Fe2O3 + 3H2O
Fe2O3 + 3H2 → 2Fe + 3H2O
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Ответ:
2Fe + 3Cl2 → 2FeCl3
2FeCl3 + Fe → 3FeCl2
3NaOH + FeCl3 → Fe(OH)3 + 3NaCl
2Fe(OH)3 → Fe2O3 + 3H2O
Fe2O3 + 3H2 → 2Fe + 3H2O