Fe₂O₃ + 6HCl → 2FeCl₃ + 3H₂O
FeCl₃ + 3NaOH → Fe(OH)₃↓ + 3NaCl
Fe(OH)₃ + 3HNO₃ → Fe(NO₃)₃ + 3H₂O
4Fe(NO₃)₃ →t°→ 2Fe₂O₃ + 12NO₂↑ + 3O₂↑
Fe₂O₃ + 2NaOH →t°→ 2NaFeO₂ + H₂O
Fe₂O₃ + 6HCl → 2FeCl₃ + 3H₂O
FeCl₃ + 3NaOH → Fe(OH)₃↓ + 3NaCl
Fe(OH)₃ + 3HNO₃ → Fe(NO₃)₃ + 3H₂O
4Fe(NO₃)₃ →t°→ 2Fe₂O₃ + 12NO₂↑ + 3O₂↑
Fe₂O₃ + 2NaOH →t°→ 2NaFeO₂ + H₂O