A beaker contains two compartments.Compartment A (CA) contains a 10% salt solution and Compartment B (CB) contains a 20% salt solution.The membrane is permeable to the salt and water.At equilibrium,
A)the volume in CA is greater than the volume in CB.
B)the volume in CA is less than the volume in CB.
C)the volume is the same in both compartments.
D)all water accumulates in CB.

Question

Quizplus · Accepted Answer

At equilibrium, osmosis occurs from the lower concentration (10% salt solution) to the higher concentration (20% salt solution) compartment, which means that water moves from compartment A to compartment B. As a result, the volume of water in compartment B increases while that in compartment A decreases. However, the overall volume of the two compartments remains the same since the total amount of water and salt does not change. Therefore, the correct answer is C, the volume is the same in both compartments.

A Beaker Contains Two Compartments