A Beaker with a Membrane Is Separating Two Solutions, Initially

question 45

Multiple Choice

A beaker with a membrane is separating two solutions, initially of equal volumes. The solution on side A is 100 mM KCl while the solution on side B is 150 mM sucrose. The membrane is not permeable to ions or carbohydrates. In what way will the water move?

• A) down its concentration gradient from side B to side A
• B) down its concentration gradient from side A to side B
• C) In osmosis, water moves against its concentration gradient.
• D) As sucrose dissociates, it creates more individual molecules in solution and is therefore the higher concentration gradient.
• E) There is no movement of water.

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