Osmosis and Osmotic Pressure
Chemistry ⇒ Solutions and Colloids
Osmosis and Osmotic Pressure starts at 11 and continues till grade 12.
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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)
A solution of 0.3 mol/L sucrose is separated from pure water by a semipermeable membrane at 310 K. Calculate the osmotic pressure. (R = 0.0821 L·atm·K⁻¹·mol⁻¹)
A solution of urea (molar mass = 60 g/mol) contains 6 g in 1 L of water at 300 K. Calculate its osmotic pressure. (R = 0.0821 L·atm·K⁻¹·mol⁻¹)
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.
Explain the term 'isotonic solution'.
Explain why red blood cells burst when placed in pure water.
Explain why saline solution is used in medical drips instead of pure water.
If a cell is placed in a hypertonic solution, what will happen to the cell?
Name one biological process where osmosis is essential.
State the van't Hoff equation for osmotic pressure.
What is osmosis?
What is the effect of temperature on osmotic pressure?
