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When the supply of oxygen is limited, iron metal reacts with oxygen to produce a mixture...

When the supply of oxygen is limited, iron metal reacts with oxygen to produce a mixture of FeO and Fe2O3 . In a certain experiment, 20.00 g iron metal was reacted with 11.31 g oxygen gas. After the experiment, the iron was totally consumed, and 3.91 g oxygen gas remained. Calculate the amounts of FeO and Fe2O3 formed in this experiment.

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