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.
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?
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