Practice Gaseous States - IIT JEE Offered by Unacademy

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Gaseous States

Quick practice

Question 1 of 5

O has 3 isotopes, $\mathrm{O^{16}, O}^{17}$ and $\mathrm{O}^{18}$ . The average atomic mass of O is 16.12 g. Mole % of $\mathrm{O}^{16}$ is 90%. Then the mole % of $\mathrm{O}^{18}$ is ______.

A

4%

B

1%

C

2%

D

3%

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