The average atimic mass of two isopoes with mass numbers A and A+2 is – InterviewSolution

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1.	The average atimic mass of two isopoes with mass numbers A and A+2 is A+0.25. Calculate the percentage abundance of the isotopes.
Answer» Solution :(i) `(n_(1)xxA)+(n_(2)XX(A+2)=(n_1+n_2)(A+0.25)` from (ii) `87.5% and 12.5%`

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