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Questions and Answers
What quantity is needed to determine the molar mass of the solute in a solution using freezing point depression?
What quantity is needed to determine the molar mass of the solute in a solution using freezing point depression?
- Vapor pressure of the solvent
- Boiling point of the solvent
- Molal freezing point depression constant (correct)
- Molar mass of the solvent
Which relationship can be used to find the molal freezing point depression constant from the enthalpy of fusion?
Which relationship can be used to find the molal freezing point depression constant from the enthalpy of fusion?
- Kf = R × M1 × Tf2 / 1000 × ∆fusH (correct)
- Kf = R × M1 × Tf2 / ∆fusH
- Kf = R × M1 × Tf2 * 1000 / ∆fusH
- Kf = R × M1 × Tf2 * ∆fusH
In the context of freezing point depression, what does the symbol 'Tf' represent?
In the context of freezing point depression, what does the symbol 'Tf' represent?
- Vaporization point of the solvent
- Freezing point of the pure solvent (correct)
- Freezing point of the solution
- Vaporization point of the solution
What is required to determine the molar mass of the solute using freezing point depression?
What is required to determine the molar mass of the solute using freezing point depression?
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Which enthalpy change is used in calculating the molal boiling point elevation constant?
Which enthalpy change is used in calculating the molal boiling point elevation constant?
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What information do you need to know to determine the molal boiling point elevation constant?
What information do you need to know to determine the molal boiling point elevation constant?
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Which property directly influences the freezing point depression in a solution?
Which property directly influences the freezing point depression in a solution?
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What factor determines the extent of vapor pressure lowering in a solution?
What factor determines the extent of vapor pressure lowering in a solution?
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