Question: An iron ore sample contains Fe2O3 plus other impurities A

An iron ore sample contains Fe2O3 plus other impurities. A 752- g sample of impure iron ore is heated with excess carbon, producing 453 g of pure iron by the following reaction:
Fe2O3(s) + 3C(s) → 2Fe(s) + 3CO(g)
What is the mass percent of Fe2O3 in the impure iron ore sample? Assume that Fe2O3 is the only source of iron and that the reaction is 100% efficient.

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  • CreatedMay 04, 2015
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