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The haemoglobin from red corpuscles of m...

The haemoglobin from red corpuscles of most mammels contain approximately 0.33% of iron by mass. The molecular mass of haemoglobin is 67200. the number of iron atoms in each molecule of haemoglobin is:

A

4

B

3

C

2

D

1

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The correct Answer is:
A
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The haemoglobin from the red blood corpuscles of most mammals contains approximately 0.33% of iron by weight. The molecular weight of haemoglobin is 67,200 . The number of iron atoms in each molecule of haemoglobin is (atomic weight of iron =56 ):

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