Chemistry, asked by abcd1209, 3 months ago

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 pushpa9029425589
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

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