Figure 5.2 The Solutions in the Two Arms of This U-Tube (Figure

question 14

Multiple Choice

Figure 5.2
The solutions in the two arms of this U-tube (Figure 5.2) are separated by a membrane that is permeable to water and glucose but not to sucrose. Side A is half-filled with a solution of 2 M sucrose and 1 M glucose. Side B is half-filled with 1 M sucrose and 2 M glucose. Initially, the liquid levels are equal. Refer to the figure to answer the following question(s) .
-After the system depicted in the figure reaches equilibrium, what changes are observed with respect to the concentrations of sugars?

• A) The concentration of sucrose is equal in sides A and B and the concentrations of glucose are unchanged.
• B) The concentrations of glucose and sucrose are equal in sides A and B.
• C) The concentration of glucose is equal in sides A and B and the concentrations of sucrose are unchanged.
• D) The water levels change, but the concentrations of glucose and sucrose in sides A and B are unchanged.

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