Boron has two stable isotopes 
and 
. Their respective masses are 10.01294 u and 
and atomic mass of boron is 10.811 u. The respective abundance of 
and 
are
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Let the percentage of 
in sample be 
. Then, percentage of 
is ( 
). So using formula of average atomic masses of isotopes
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