Question

Given element M(Atomic wt. 51.7) contains isotope M^50 and M^52 What is the abundance of
M50?
15%
45%
75%
85%​

Answer 1

Answer:

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Let `.^(50)M` isotope be `x%` and `.^(52)M` isotope be `(100 -x) %` in nature

`rArr51.7=M_("avg")=(x)/(100)(50)+(100-x)/(100)(52)rArrx=15% implies 15% .^(50)M`and`85%.^(52)M`in nature .