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An Iron Ore Sample Contains Fe2o3 Plus Other Impurities

2019718an iron ore sample contains fe2o3 plus other impurities 752g sample of impure iron ore is heated with excess carbon, producing 453 g of pure iron by the following reaction fe2o3 1s2 1 3c 1s2 h 2fe 1s2 1 3co 1g2 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.