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Pressure exerted by a liquid at a given ...

Pressure exerted by a liquid at a given point is:

A

directly proportional to the depth of the point in liquid

B

directly proportional to the density of liquid

C

both (a) and (b)

D

none of these

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The total pressure exerted in ideal binary solution is given by P=P_(A)^(@)X_(A)+P_(B)^(@)X_(B) where P_(A)^(@)&P_(B)^(@) are the respective vapour pressure of pure components and X_(A)&X_(B) are their mole fraction in liquid phase. And composition of the vapour phase is determined with the help of Datton's law partial pressure: Y_(A)=(P_(A)^(@)X_(A))/(P) If total pressure exerted in an ideal binary solution is given by P=(5400)/(60+30Y_(A))mm of Hg. The value of P_(A)^(@) is:

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