Question

Atomic mass of boron is 10.81 amu. It has two isotopes with 80% and 20% abundance respectively. The atomic mass of one isotope is 11, the mass of other isotope is:

A

10.81

B

11.01

C

10.05

D

21.82

Medium
Solution
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Correct option is C)

Atomic mass of Boron
duppose mass of other isotope
mass of one isotope

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