1) 6 HCl + Fe2O3 → 3 H2O + 2 FeCl3
2) 3 NaOH + FeCl3 → 3 NaCl + Fe(OH)3
3) 2 Fe(OH)3 → 3 H2O + Fe2O3
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1) 6 HCl + Fe2O3 → 3 H2O + 2 FeCl3
2) 3 NaOH + FeCl3 → 3 NaCl + Fe(OH)3
3) 2 Fe(OH)3 → 3 H2O + Fe2O3