I need help setting up this problem: A 5.0 sample of O2 is in a container at STP. What volume is the container and how many molecules of O2 in the container and how many atoms of oxygen?

Question

I need help setting up this problem:  A 5.0 sample of O2 is in a container at STP.  What volume is the container and how many molecules of O2 in the container and how many atoms of oxygen?

bobpursley · Answer

Well, 5.0 grams? PV=nRT You are given STP conditions, so that gives pressure and temp. n= grams/32 solve for V how many molecules: n*avagnumber.