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The osmotic pressure of an aqueous solution is measured... ...How will the osmotic pressure of the new solution compare to that of the old?

The osmotic pressure of an aqueous solution is measured vs. pure water. Some of the water in the solution is then allowed to evaporate. How will the osmotic pressure of the new solution compare to that of the old?

a. larger

b. smaller

c. cannot be determined from the information provided

d. no change

1 Answer

Relevance
  • 5 years ago

    If some water evaporates, that makes the solute more concentrated.

    The greater the molarity (concentration) of the solute the greater the osmotic pressure.

    So answer a.

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