Question

Which of the following gases will occupy the smallest volume at 300 K and 760 torr and why?
80 g diatomic oxygen
80 g methane
80 g hydrogen fluoride
From PV = nRT, solve for V
V = nRT/P.
If P, R, and T are constant, then V=kn So the volume will depends only upon n. Which gas has the smallest n

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