wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Question 11
The average atomic mass of a sample of an element X is 16.2u. What are the percentages of isotopes 168X and 188X in the sample?

Open in App
Solution

Let the percentage of 168X be A
Then the percentage of 188X =100A
Then we have 16×A100+((100A)×18)100=16.2
Or,18001620=18A16A
A=90
168X is 90% and is 188X is 10%.

flag
Suggest Corrections
thumbs-up
24
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon