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

question 77

Multiple Choice

Figure 5.2
-The solutions in the two arms of the U-tube shown in 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.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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