Write the reaction equations: Fe2O3- Ca (FeO2) 2- Fe2 (SO4) 3- Fe (NO3) 3- Fe (OH) 3- Fe2O3
April 12, 2021 | education
| 1. Fe2O3 + Ca (OH) 2 = Ca (FeO2) 2 + H2O.
2. Ca (FeO2) 2 + 4H2SO4 = CaSO4 + Fe2 (SO4) 3 + 4H2O.
3. Fe2 (SO4) 3 + 3Ba (NO3) 2 = 2Fe (NO3) 3 + 3BaSO4 ↓.
4. Fe (NO3) 3 + 3NaOH = Fe (OH) 3 ↓ + 3NaNO3.
5.2Fe (OH) 3 (at temperature) = Fe2O3 + 3H2O.
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