Question

Haemoglobin contains 0.334 % of iron by weight. The molecular weight of haemoglobine is approximately 67200. The number of iron atoms (at.wt.of Fe is 56 ) present in one molecule of haemoglobin are
a)1 b)6 c)4 d)2

Answer 1

Answer:

6

Explanation:

Answer 2

-Given, Molecular weight of haemoglobin = 67200. -Hemoglobin contains 0.334% iron by weight this means that 0.334% of 67200 is the weight of iron present in haemoglobin. -We know that the mass percentage is calculated as the mass of a component divided by the total mass of the mixture, multiplied by 100.

b) 6

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