Question

HOW MANY O2 MOLECULES ARE PRESENT IN 0.02 MOLES OF THE GAS

Answer 1

Answer:

12.044 × 10^21

Explanation:

let moles be n , no. of molecules be N and avagodra no. be N'

now

n= N/N'

nN' =N

n=0.02

N'= 6.022 × 10^23

N = 12.044 × 10^21