Question

What is the number of moles in 500 L of He gas at STP?

Answer 1

PV=nRT

n=PV/RT ,but under STP& P/RT=1/22.4

So using this,or empirical equation below:

n & 500L
He -------> He
1 & 22.4

n=500/22.4=22.321 moles