A Membrane Sac Filled with Large Molecules of Potassium Is

question 10

Multiple Choice

A membrane sac filled with large molecules of potassium is suspended in a beaker of water.What will happen?

• A) The potassium will leave and the water will enter until both sides reach equal concentrations.
• B) Water will enter the sac and it will swell.
• C) Because the potassium cannot leave, the water cannot enter.
• D) We cannot determine the outcome unless we know the tonicity of the solutions.
• E) The potassium will leave the sac and it will shrink.

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