Published by:
CGP EDU Academic Team
Published on: August 14, 2026
For every one 
isotope there are three 
isotopes in a sample of chlorine. What will be the average atomic mass of chlorine?
A
35
B
37
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Average atomic mass of an element existing in different isotopes is given by:
where 
atomic mass of an isotope with relative abundance of 
Given: 
on substituting we get:
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