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Some Basic Concepts of Chemistry
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13/08/2021 12:00 pm
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Haemoglobin contains 0.33% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (at. wt. of Fe = 56) present in one molecule of haemoglobin is
(a) 6
(b) 1
(c) 2
(d) 4
1 Answer
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13/08/2021 12:03 pm
Correct answer: (d) 4
Explanation:
Weight of Iron in 67200
= \(\frac{0.33}{100}\) x 67200 = 221.76
Number of atoms of Iron
= \(\frac{221.76}{56}\) x 3.96 = 4