Answer to Question #290712 in Organic Chemistry for melo

Question #290712

An impure magnetite (Fe3O4) sample weighs 0.5023 g. This is converted to Fe2O3 by chemical reactions. The Fe2O3 obtained weighs 0.3995 g. What is the percentage of Fe3O4 in the magnetite?

Expert's answer

0.5023-0.3995=0.1028

0.1028/0.5023×100=20.47%

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