1.

5mL of acetone is mixed with 100mL of H_(2)O. The vapour pressure of water above the solution is

Answer»

<P>equal to the vapour PRESSURE of pure water
equal to the vapour pressure of the solution
less than the vapour pressure of pure water
more than the vapour pressure of pure water

Solution :`(p_(A))/(p_(A)^(@)) = x_(A)`
In a solution `x_(A) lt 1`
`:. p_(A) lt p_(A)^(@)`


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