In the previous blogpost, we have discussed on the Calculation of Ar based on Isotopic Abundance.

Today, we will look at a more challenging question related to it.

I would love to see you attempting the question and leaving your suggested answer in the comments section below.

Question:

Naturally occurring gallium, Ga, is a mixture of two isotopes of mass numbers 69 and 71. What is the percentage abundance of each isotope? A

_{r}of gallium is given as 69.7.