The haemoglobin from red corpuscles of most mammels contain approximately 0.33% of iron by mass. The molecular mass of haemoglobin is 67200. The number of iron atoms in each molecule of haemoglobin is:

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Solution

The correct option is D 4
Ans : A
Mass of iron in haemoglobin = 67200 $\times 0.0033$ = 221.76
Mole of iron in haemoglobin = $\frac{221.76}{55.54}$ = 4

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The haemoglobin from red corpuscles of most mammels contain approximately 0.33% of iron by mass. The molecular mass of haemoglobin is 67200. The number of iron atoms in each molecule of haemoglobin is:

The correct option is D 4Ans : AMass of iron in haemoglobin = 67200 ×0.0033 = 221.76 Mole of iron in haemoglobin = 221.7655.54 = 4

The correct option is D 4
Ans : A
Mass of iron in haemoglobin = 67200 $\times 0.0033$ = 221.76
Mole of iron in haemoglobin = $\frac{221.76}{55.54}$ = 4