Osmosis and Osmotic Pressure
Chemistry ⇒ Solutions and Colloids
Osmosis and Osmotic Pressure starts at 11 and continues till grade 12.
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Define reverse osmosis.
Describe the role of osmosis in kidney dialysis.
Describe what happens to a plant cell in a hypotonic solution.
Explain the difference between osmosis and diffusion.
A 0.2 mol/L solution of glucose at 298 K is separated from pure water by a semipermeable membrane. Calculate the osmotic pressure. (R = 0.0821 L·atm·K⁻¹·mol⁻¹)
A 1 L solution contains 0.1 mol of KCl. What is the osmotic pressure at 298 K? (Assume complete dissociation, R = 0.0821 L·atm·K⁻¹·mol⁻¹)
A solution containing 0.5 mol/L NaCl is separated from pure water by a semipermeable membrane at 300 K. Calculate the osmotic pressure. (Assume complete dissociation, R = 0.0821 L·atm·K⁻¹·mol⁻¹)
A solution contains 0.2 mol of a non-electrolyte in 2 L of water at 298 K. Calculate the osmotic pressure. (R = 0.0821 L·atm·K⁻¹·mol⁻¹)
Osmosis is a type of (1) Active transport, (2) Passive transport, (3) Facilitated diffusion, (4) Endocytosis
The osmotic pressure of a solution increases with (1) Increase in solute concentration, (2) Decrease in solute concentration, (3) Decrease in temperature, (4) Increase in solvent volume
Which of the following is a colligative property? (1) Osmotic pressure, (2) Boiling point, (3) Freezing point, (4) All of the above
Which of the following is NOT a property of a semipermeable membrane? (1) Allows only solvent molecules to pass, (2) Allows both solute and solvent to pass, (3) Is selective in permeability, (4) Is used in osmosis experiments
Osmotic pressure is defined as the pressure required to ______ the process of osmosis.
The osmotic pressure of a 0.1 mol/L solution at 273 K is ______ atm. (R = 0.0821 L·atm·K⁻¹·mol⁻¹)
The osmotic pressure of a solution is independent of the ______ of the solute.
The pressure required to prevent osmosis is called ______ pressure.
True or False: Osmosis can occur in both living and non-living systems.
True or False: Osmosis can occur in the absence of a semipermeable membrane.
True or False: Osmosis is important for maintaining cell turgor in plants.
True or False: Osmosis is responsible for the wilting of plants when they are not watered.
