Estimate the number of molecules left in a volume of the size of a pin – InterviewSolution

1.	Estimate the number of molecules left in a volume of the size of a pinhead about 1 cubic rum when the air is pumped out to give a vacuume of 10^(-6) mm Hg at 25^(@)C.
Answer» SOLUTION :`3.24 XX 10^(7)`

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