Vapor Pressure of Solutions
Chemistry ⇒ Solutions and Colloids
Vapor Pressure of Solutions starts at 11 and continues till grade 12.
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A solution contains 0.2 mol of a non-volatile solute and 0.8 mol of solvent. If the vapor pressure of pure solvent is 40 mmHg, calculate the vapor pressure of the solution.
A solution contains 0.5 mol of non-volatile solute and 9.5 mol of solvent. If the vapor pressure of pure solvent is 200 mmHg, what is the vapor pressure of the solution?
A solution contains 2 mol of ethanol and 3 mol of water. The vapor pressure of pure ethanol is 44 mmHg and pure water is 32 mmHg at a certain temperature. Calculate the total vapor pressure of the solution assuming ideal behavior.
A solution is made by dissolving 1 mol of urea in 9 mol of water. If the vapor pressure of pure water is 30 mmHg, what is the vapor pressure of water in the solution?
A solution is made by dissolving a non-volatile solute in a volatile solvent. What happens to the vapor pressure of the solvent?
A solution is prepared by mixing two volatile liquids, A and B. If both obey Raoult's Law, what is the total vapor pressure of the solution?
Define an ideal solution with respect to vapor pressure.
Describe the effect of temperature on the vapor pressure of a solution.
Describe the relationship between vapor pressure and boiling point of a liquid.
Explain the term 'non-volatile solute' with respect to vapor pressure.
Explain why adding a non-volatile solute to a solvent lowers its vapor pressure.
Explain why the vapor pressure of a solution is a colligative property.
If a solution shows a positive deviation from Raoult's Law, what does it indicate about the interactions between its components?
If a solution shows negative deviation from Raoult's Law, what can be inferred about the interactions between its components?
If the mole fraction of solvent in a solution is 0.7 and its pure vapor pressure is 120 mmHg, calculate the vapor pressure of the solvent in the solution.
If the vapor pressure of a solution is 90% that of the pure solvent, what is the mole fraction of the solvent?
If the vapor pressure of pure benzene is 100 mmHg and that of pure toluene is 50 mmHg, what is the vapor pressure of a solution containing equal moles of benzene and toluene?
If the vapor pressure of pure solvent A is 100 mmHg and its mole fraction in a solution is 0.8, what is its partial vapor pressure according to Raoult's Law?
State Raoult's Law mathematically.
The vapor pressure of a solution is 18 mmHg, while that of the pure solvent is 20 mmHg. What is the relative lowering of vapor pressure?
