Question

hemoglobin contains 0.33% iron by mass. the molucler mass of hemoglobin is approximately 67200.the number of iron atom(AT mass of fe=56)present in one molucle of hemoglobin are: options are given below:-
(1) 6
(2)1
(3)4
(4)20​

Answer 1

Answer

(4) 20

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