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Hameoglobin contains 0.25% iron by weigh...

Hameoglobin contains 0.25% iron by weight. The molecular weight of hameglobin is 896000. Calculate the number of iron atom per molecules of haemoglobin.

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`:' 100 g` haemoglobin has `= 0.25 g Fe`
`:. 89600 g` hamemoglobin has `= (0.25 xx 89600)/(100)`
`= 224 g Fe`
`:.` 1 mol or `N` molecules of hameglobin has 4 atom of `Fe`.
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