Q. The number of atoms present in $16 g$ of oxygen gas is:

3025 255 Some Basic Concepts of Chemistry Report Error

A

$6.02 \times 1 0^{11.5}$

6%

B

$3.01 \times 1 0^{23}$

9%

C

$3.01 \times 1 0^{11.5}$

6%

D

$6.02 \times 1 0^{23}$

79%

Solution:

$32 g O_{2}$ contains $2 N$ atoms.