Answer: An iron ore sample contains Fe2O3 plus other
Chapter 3, Problem 3.111(choose chapter or problem)
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) 1 3C(s) 88n 2Fe(s) 1 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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