Suppose we have A moles of liquid 1 in one beaker and B moles of liquid 2 in the other. Beakers are placed together in a biger closed container. Both have different vapour pressure when isloated. Now both components can't have their individual vapour pressures as it would disrupt the equilibrium of the other. It turns out the compensated vapour pressure would be the same as both liquids paced in one beaker. Why so? Is liquid from one beaker moving to the other and making the concentration equal in both?