a mixture containing only Al2O3(FM 101.96)and Fe2O3(FM 159.69)weighs 3.000 g.When heated under a stream of H2,Al2O3 is unchanged but Fe2O3 is…

a mixture containing only Al2O3(FM 101.96)and Fe2O3(FM 159.69)weighs 3.000 g.When heated under a stream of H2,Al2O3 is unchanged but Fe2O3 is converted into metallic Fe plus H20 g.If the residue weighs 2.000g What is the percent of Fe2O3 in the original mixture?

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