IIT JEE Advanced 2009 Paper 1

Section: Chemistry

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Question : 21 of 60

Marks: +1, -0

Given that the abundances of isotopes

54

‌

Fe

56

,

Fe and

57

‌

Fe are 5%, 90% and 5%, respectively, the atomic mass of Fe is

[JEE Adv 2009 P1]

55.85
55.95
55.75
56.05

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