The relative humidity of ambient air at 300 K is 50% with a partial pr – McqOptions

MCQOPTIONS

1.	The relative humidity of ambient air at 300 K is 50% with a partial pressure of water vapour equal to Pv. The saturation pressure of water at 300 K is Psat. The correct relation for the air-water mixture is
A.	Pv = 2Psat
B.	Pv = Psat
C.	Pv = 0.5Psat
D.	Pv = 0.622Psat
Answer» D. Pv = 0.622Psat

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