What does iron(2,3)oxide mean in the equation 3Fe + 4H20 - Fe3O4 + 4H2 ?
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Solution
Fe3O4 is made up of FeO and Fe2O3, the oxidation state of 2 Fe atoms in Fe2O3 is +3, and one Fe atom in FeO is +2.Therefore, Fe3O4 is called Iron (II, III) oxide.