Question

Total number of atoms present in 10ml of NH3 at NTP

1) 1.04*10^21
2)2.23*10^23
3)3.33*10^22
4)2.56*10^20

Answer 1

Answer3)

Explanation:Frist convert litre into ml or ml into litre.

Then find mass of NH3 in 10ml

Then find molecules in 10ml

Then multiply by 4 as Nh3 have 4 atom