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JEE Main 2022 Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main 2022

Haemoglobin contains 0.34% of iron by mass. The number of Fe atoms in 3.3 g of haemoglobin is (Given : Atomic mass of Fe is 56 u, = )

Answer: (C)

Solution

100 g of haemoglobin contains 0.34 g of iron, so 3.3 g contains (0.34/100) g of iron. The moles of Fe are ($0.34

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Question ID VK-025044