Question

3.
6CaO + P,040- 2 Ca,(PO), [Ca = 40, P = 31]
Given that the abundances of isotopes "Fe, Fe and "Fe are 5%, 90% and 5%, respectively, the atomic
mass of Fe is:
(JEE 2009)
(A) 55.85
(B) 55.95
(C) 55.75
(D) 56.05​

Answer 1

Answer:

option (c) is the answer