Question

How many molecules are present in 8 g of O2 molecule?​

Answer 1

Answer:

65 molecular present okay

Answer 2

Molecules present in 32 g of O2 is (6.023×10^23)

Molecules present in 1 g of o2 (6.023×10^23)/32

so,

Molecules present in 8 g of o2

(6.023×10^23)/32 × 8

= 1.5 × 10²³