Question

The haemoglobin of most mammals contains
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)3 (B)4 (C)2 (D) 6​

Answer 1

Answer:

there are four iron atoms in each molecule of haemoglobin. your correct option is B.