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Magnetite, Fe3O4, can be reduced to iron by heating with carbon monoxide according to the equation: Stoichiometry Chemistry Question

Question

Magnetite, Fe3O4, can be reduced to iron by heating with carbon monoxide according to the equation:
Fe3O4 + 4CO → 3Fe + 4CO2
What mass of Fe3O4 is required in order to obtain 5.0 kg of iron if the process is 88% efficient?

A.

6.1 kg

B.

6.9 kg

C.

7.9 kg

✓ Correct
D.

18 kg

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