At STP, how many molecules of SO_2 are in 0.400 L of SO_2?

1 Answer
Mar 7, 2016

=0.1075*10^23 molecules of SO_2

Explanation:

We know1 mole or 6.022*10^23 molecules of SO_2 occupies 22.4 L at STP
So at STP 1L will contains 6.022/22.4*10^23 molecules of SO_2
:.At STP 0.4L will contains 6.022/22.4*0.4*10^23=0.1075*10^23 molecules of SO_2