A solution of sucrose in water is taken in a funnel is separated from pure water in a beaker through a semi-permeable membrane. Water will move into the fumnel resulting in rise of the levwl of solution(till equilivrium is attained). In case sucrose does diffuse out through the membrane, will equilibrium be ever reached?

Dear student,

Water moves from lower concentration to the higher concentration until the equilibrium is attained, results in the rising of solution level. In case sucrose diffuse out through the membrane(from higher concentration to the lower concentration), the equilibrium also get attained because there is a movement of both the solute and solvent in opposite directions. The diffusion of sucrose molecule would not or least result in the rise of solutions level.

​Regards.
 

 

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