Answer to Question #63966 in General Chemistry for Chi

Question #63966

The best laboratory vacuum systems can pump down to as few as 1x10^9 molecules per cubic meter of gas. Calculate the corresponding pressure, in atmospheres, assuming a temperature of 298K

Expert's answer

P = nKT = 1*109*1.38*10-23*298 =4.11*10-11 (Pa) = 4*10-16 (atm)

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