Calculate the intermolecular collision frequency and the mean free path in a sample of helium gas with a volume of 5.0 L at 27 celsius and 3.0 atm. Assume that the diameter of a helium atom is 50. pm. Also please explain how you acquire the molar mass (M)… in some examples it says 4.00 x 10^-3, but I was wondering how you come about this/get this? Please show all work. Thank you!
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