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Given that the abundances of isotopes ""...

Given that the abundances of isotopes `""^54 Fe, ""^56Fe` and `""^57Fe` are 5%, 90% and 5% respectively, the atomic mass of Fe is

A

55.58

B

55.95

C

55.75

D

55.05

Text Solution

Verified by Experts

The correct Answer is:
B
The atomic mass of iron is
`((5 x 54) + (90 xx 56) + (5 xx 57))/(100) = 55.95`
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