Refer to Figure 7

question 28

Multiple Choice

Refer to Figure 7.3 to answer the following questions.
The solutions in the arms of a U-tube are separated at the bottom of the tube by a selectively permeable membrane. The membrane is permeable to sodium chloride but not to glucose. Side A is filled with a solution of 0.4 M glucose and 0.5 M sodium chloride (NaCl) , and side B is filled with a solution containing 0.8 M glucose and 0.4 M sodium chloride. Initially, the volume in both arms is the same.


-If you examine side A after 3 days, you should find

• A)a decrease in the concentration of NaCl and glucose and an increase in the water level.
• B)a decrease in the concentration of NaCl, an increase in water level, and no change in the concentration of glucose.
• C)no net change in the system.
• D)a decrease in the concentration of NaCl and a decrease in the water level.
• E)no change in the concentration of NaCl and glucose and an increase in the water level.

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