Question

How many molecules of SO2 are present in 11.2L at STP

Answer 1

At stp volume of 1 mol gas is 22.4L
So as volume of so2 at STP is 11.2L this means that u have 0.5 mol of it
and one mol of anything contains 6.022*10^23 atoms so 0.5 mole contains 3.011*10^23atoms

Answer 2

0.5 is the answer for molecules of so2