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If 10^(-4) dm^(3) of water is introduced...

If `10^(-4) dm^(3)` of water is introduced into a 1.0 `dm^(3)`. Flask at 300 K, calculate the number of moles of water is in vapour phase when equililbrium is established ? (V.P. of `H_(2)O` at 300 K is 3170 Pa )

A

`1.27xx10^(-3)"mole"`

B

`5.56xx10^(-3)"mole"`

C

`1.53xx10^(-2)"mole"`

D

`4.46xx10^(-2)"mole"`

Text Solution

Verified by Experts

The correct Answer is:
a
(a) `n=(PV)/(RT)=(3170xx10^(-3))/(8.314xx300)=1.27xx10^(-3)"mole"`
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