*/*_Pressure of water vapour is given by? – McqOptions

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1.	/_Pressure of water vapour is given by?
A.	0.622 Pv/ (Pb - Pv)
B.	≈í¬∫/[1 - (1 - ≈í¬∫) (Ps/Pb)]
C.	[Pv (Pb - Pd)]/ [Pd (Pb - Pv)]
D.	None of these
Answer» E.

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