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JEE Main Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main

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

Answer: (C)

Solution

Mass of Fe per mole Hb g, so Fe atoms per molecule . Hence, the answer is (c) 4.

Question ID VK-130633