# Whats the mass of the sample?

Dx
Hi!

A simple He occupies 44.8L at STP. what is the mass of the sample?

my answer was 4g since the atomic mass is 4u but im wrong. someone/anyone enlighten me towards the right path so I may be one again.
Thanks!
Dx

Bystander
Homework Helper
Gold Member
44.8 L at STP is how many moles?

Dx
Originally posted by Bystander
44.8 L at STP is how many moles?

I donno? the question doesnt say. nor can i find out how to compute that since i dont have the mass.

Bystander