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Magnetite, Fe(3)O(4) can be reduced to i...

Magnetite, `Fe_(3)O_(4)` can be reduced to iron by heating with carbon monoxide according to the equation :
`Fe_(3)O_(4) + 4CO rightarrow 3Fe + 4CO_(2)`
`{:("Molar mass", (g mol^(-1))), (Fe_(3)O_(4) , 232):}`
What mass of `Fe_(3)O_(4)` is required in order to obtain 5.0kg of iron if the process is 88% efficient?

A

6.1kg

B

6.9kg

C

7.9kg

D

18kg

Text Solution

Verified by Experts

The correct Answer is:
C
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Magnetite, Fe_(3)O_(4) , can be converted into metallic iron by heating with carbon monoxide as represented by this equation: Fe_(3)O_(4)(s)+CO(g) rarr Fe(s) +CO_(2)(g) The kilograms of Fe_(3)O_(4) which must be processed in this way to obtain 5.00 kg of iron, if the process is 85% efficient is closest to? [M: = Fe = 56]

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