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Solve the all given part of following question:

Question: Integrated circuits are manufactured in vacuum chambers in which the air pressure is 9.00×10¹¹ mm of Hg.

Part A: What is the number density? Assume T = 22.0^oC.

Part B: What is the mean free path of a molecule?

Show all work, use additional paper if necessary to find the mean free path of a molecule.

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