Question

Number of Fe atoms in 100 g Haemoglobin if it
contains 0.33% Fe. (Atomic mass of Fe = 56)
(1) 0.035 x 1023 (2) 35
(3) 3.5 x 1023 (4) 7 * 108
​

Answer 1

Answer:

correct answer is option 3

Answer 2

Answer:

(3)

Explanation:

100g sample haemoglobin contains 0.33g iron

67200g sample haemoglobin contains ⇒0.33100×67200=221.8g

∴No of iron atoms per molecule of haemoglobin 221.856=4