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3. Chemical Reactions - Part 3 of 3
3. Chemical Reactions / Percent Yield / Problem 6

Hematite is a common iron oxide compound with the formula Fe2Oand is widely found in rocks and soils. The iron can then be extracted from the Hematite by the following set of reactions: 

3 Fe2O3 + CO → 2 Fe3O4 + CO2

Fe3O4 + CO → 3 FeO + CO2

FeO + CO → Fe + CO2

Suppose that the first and second reaction is carried out with an 85.6 % yield. If the third reaction is carried out with a 95.6 % yield, what mass of iron can be obtained from 5.00 kg of hematite? 

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