Haemoglobin contains 0.25% iron by weight. The molecular weight of haemoglobin is 89600.
Haemoglobin contains 0.25% iron by weight. The molecular weight of haemoglobin is 89600. Calculate the number of iron atoms per molecule of haemoglobin.
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100 g haemoglobin has iron = 0.25 g
89600 g haemoglobin has iron = 0.25 x 89600/100 = 224 g Fe
1 mole or N molecules of haemoglobin has 224 g Fe
= (224/56) g-atom of Fe
= 4 g-atom of Fe
= 4 N atom of Fe
1 molecule of haemoglobin = 4 atom of Fe
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