Hemoglobin contains 0.33% iron by weight. The molecular weight of hemoglobin is
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Hemoglobin contains $0.33 \%$ iron by weight. The molecular weight of hemoglobin is approximately 67200. The number of iron atoms (at. wt. of iron is 56 ) present in one molecule of hemoglobin are

(A) 1

(B) 6

(C) 4

(D) 2

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ANSWER : Here, The correct answer of this question will be option (C).

Explanation :

Fe present in $67200 amu =\frac{0.33}{100} \times 67200=232 amu =\frac{222}{56}=4$ atoms.

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