An iron ore sample contains Fe 2 O 3 plus other impurities A 742 g sample of impure iron ore is heated with excess carbon, producing 462 g of pure iron by the following reaction Fe 2 O 3 ( s ) 3 C( s ) 2 Fe( s ) 3 CO( g ) What is the mass percent of Fe 2 O 3 in the impure iron ore sample Assume that Fe 2 O 3 is the only source of iron and that the reaction is 100 efficient

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Question: An iron ore sample contains Fe 2 O 3 plus other impurities. A 742-g sample of impure iron ore is heated with excess carbon, producing

An iron ore sample contains Fe₂O₃ plus other impurities. A 742-g sample of impure iron ore is heated with excess carbon, producing 462 g of pure iron by the following reaction.

Fe₂O₃(s) + 3 C(s) 2 Fe(s) + 3 CO(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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