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Haemoglobin contains 0.25% iron by weight . If one molecule of haemoglobin contains 4 atoms of iron . Find the molecular mass

Haemoglobin contains 0.25% iron by weight . If one molecule of haemoglobin contains 4 atoms of iron . Find the molecular mass

Grade:11

1 Answers

Vikas TU
14149 Points
6 years ago
 Standard mass of iron (fe)= 56. So one atom of Hb contains 56*4= 224g of iron. 
Atomic Mass of Hb=mass of fe/mass % of fe in Hb *100 
= 224/0.25 *100 
=89600. 

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