Four one litre flasks are separately filled with the gases CO2, F2, NH3 and He at the same room temperature and pressure. The ratio of the total number of atoms of these gases present in the different flasks would be?

(1) 1:1:1:1

(2) 1:2:2:3

(3) 3:2:4:1

(4) 2:1:3:2

3 answers

and your thinking is?
3:2:4:1
3 as no. Of molecule are same so multiply by no. Of atoms