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Osmotic Pressure Quiz

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Questions and Answers

What does osmotic pressure measure?

Pressure exerted by the movement of water through a semipermeable membrane

Pressure exerted by the movement of solvent through a semipermeable membrane (correct)

Pressure exerted by the movement of both solvent and solute through a semipermeable membrane

Pressure exerted by the movement of solute through a semipermeable membrane

What happens to osmotic pressure with an increase in solute concentration?

Osmotic pressure remains constant

Osmotic pressure increases (correct)

Osmotic pressure decreases

Osmotic pressure becomes unpredictable

What is the unit of measurement for osmotic pressure?

Pa (Pascals)

Torr

atm (atmospheres)

mmHg (millimeters of mercury) (correct)

What is the formula to calculate osmotic pressure?

π = iMRT Signup and view all the answers

How does temperature affect osmotic pressure?

Osmotic pressure increases with an increase in temperature Signup and view all the answers

What is the Van't Hoff factor (i) for a non-electrolyte solute?

1 Signup and view all the answers

Study Notes

Osmotic Pressure

Osmotic pressure measures the pressure required to prevent the flow of water into a solution through a semipermeable membrane.
As solute concentration increases, osmotic pressure also increases.
The unit of measurement for osmotic pressure is atmospheres (atm) or pascals (Pa).

Calculating Osmotic Pressure

The formula to calculate osmotic pressure is: π = iMRT, where π is the osmotic pressure, i is the Van't Hoff factor, M is the molarity of the solution, R is the gas constant, and T is the temperature in Kelvin.

Temperature and Van't Hoff Factor

Osmotic pressure increases with an increase in temperature.
For a non-electrolyte solute, the Van't Hoff factor (i) is 1, indicating that the solute does not dissociate in solution.

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Description

Test your knowledge of osmotic pressure with this quiz! Learn what osmotic pressure measures and how it changes with an increase in solute concentration. Identify the unit of measurement for osmotic pressure and deepen your understanding of this important concept in chemistry and biology.