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How much iron can be theoretically obati...

How much iron can be theoretically obatined by the reduction of 1.0kg of `Fe_(2)O_(3)`?(At.wt.of Fe=56)`

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The correct Answer is:
700 g
`underset(2xx56+3xx16=160g)(Fe_(2)O_(3))-=underset(2xx56=112g)(2Fe)`
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