11. The average atomic mass of a sample of an element X is 16.2 u.
What are the percentages of isotopes SX and 5x in the
sample?
Answers
Answered by
0
Answer:
Let the percentage of
8
16
X be A %. Then the percentage of
8
18
X be (100−A) %.
∴ 16×
100
A
+18×
100
100−A
=16.2
⟹1800−2A=1620
⟹A=90
So the answer is 90%
8
16
X and 10%
8
18
X here is your answer Mark me as brainlist if you have any doubt then ask me
Similar questions