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Animation: Osmosis
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View the animation below, then complete the quiz to test your knowledge of the concept.






1When a membrane that is permeable to both a solute and water separates water with a high osmolarity from water with a low osmolarity...
A)the water will only move through the membrane in one direction while the solute will move through the membrane in the other.
B)the solute will pass through the membrane in both directions until equilibrium is reached on both sides of the membrane for the solute.
C)both the water and the solute will pass through the membrane in both directions until equilibrium is reached on both sides of the membrane for both water and the solute.
D)the motion of the molecules of both the solute and water will cease when equilibrium is reached.
E)none of the above



2When a membrane that is only permeable to water separates water with a high osmolarity from water with a low osmolarity...
A)the water will diffuse through the membrane until there is an equal volume of solute on both sides.
B)the water will diffuse through the membrane until there is an equal volume of water on both sides.
C)the water will diffuse through the membrane until there is an equal concentration of water on both sides.
D)the water will diffuse through the membrane until there is an equal concentration of solute on both sides.
E)the water will diffuse through the membrane until there is an equal concentration of solute and water on both sides.



3Water is more concentrated in...
A)the solution on the side of the membrane with the least solute.
B)the solution on the side of the membrane with the most solute.
C)the solution on the one side of the membrane that has reached equilibrium.
D)the solution on either side of the membrane that has reached equilibrium.
E)the solution on neither side of the membrane due to the constant motion of the molecules.



4Water molecules will no longer pass through the semipermeable membrane once equilibrium is reached.
A)True
B)False



5Osmosis can be described as both the diffusion of a liquid from an area of high concentration of that liquid to an area of a low concentration of that liquid, and, as the diffusion of a liquid from a low concentration of solutes to an area of high concentration of solutes.
A)True
B)False







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