The vapor pressure of a liquid and the prevailing atmospheric pressure,
determines the boiling point temperature.
The vapor pressure of the acetone is the same in both containers because
the temperature is the same.
Reasons:
The vapor pressure of a liquid is the pressure at which the number of
molecules entering the gaseous phase are in (dynamic) equilibrium with
the number of molecules entering the liquid phase.
The factors that affect vapor pressure are;
Changing the surface area changes the instantaneous concentration of
molecules of vapor above the liquid, however, an equilibrium vapor
pressure is reached with time as more molecules enter or exits the liquid
(or solid) due being over or under saturated.
Therefore, the surface area of the liquid has no effect on a liquid's vapor
pressure therefore;
The vapor pressure in both containers will be the same because the temperature is the same.
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