If you place a dialysis tubing permeable only to water filled with 10% sucrose solution into a beaker filled with a 30% solution of sucrose, what would you expect?

Given that the dyalisis tubing is only permeable to water (and not to sucrose) the diffusion process (named osmosis when there is a  selective permeable barrier)  will drive molecules of water from the solution that has more water (the 10% sucrose solution) to the solution that has less water (the 30% sucrose solution) until the equilibrium is reached.

So, the 10% solution of sucrose (which initially is more concentrated in water) will end with less water, this is it will end more concentrated in sucrose, while the 30% sucrose solution will end with more water and a smaller concentraton on sucrose. The diffussion process will end when both solutions have the same concentration.

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