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Given that the abundances of isotopes ""...

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

A

55.85

B

55.95

C

55.75

D

56.05

Text Solution

Verified by Experts

The correct Answer is:
B
Average atomic mass of Fe
`=((54xx5)+(56xx90)+(57xx5))/(100)=55.95`
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