A solvent of acetic acid (CH3CO2H) is collected consisting of 0.4096 moles. The solute added consist of 0.18744g Ba(OH)2. Assume the change in temperature is 1.0 °C. What is the freezing point depression constant (kf) of the solvent for this example. [CH3CO2H=60.052g/mol] [Ba(OH)2=171.34g/mol] Is the freezing point depression constant calculated in a acetic acid pure? Hint: compare the calculated kf value of acetic acid to the known kf value of acetic (see page 193(93)) in your lab manual. If they’re the same, it’s pure. If they’re not the same, it’s not pure.

Depression in freezing point is the result of adding a solute to a solvent. When a substance starts…

Answered: What is the freezing point depression…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter15: Principles Of Chemical Reactivity: Equilibria

Section15.6: Disturbing A Chemical Equilibrium

Problem 2.1ACP: Freezing point depression is one means of determining the molar mass of a compound. The freezing...

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A solvent of acetic acid (CH₃CO₂H) is collected consisting of 0.4096 moles. The solute added consist of 0.18744g Ba(OH)₂. Assume the change in temperature is 1.0 °C. What is the freezing point depression constant (k_f) of the solvent for this example. [CH₃CO₂H=60.052g/mol] [Ba(OH)₂=171.34g/mol]

Is the freezing point depression constant calculated in a acetic acid pure? Hint: compare the calculated k_f value of acetic acid to the known k_f value of acetic (see page 193(93)) in your lab manual. If they’re the same, it’s pure. If they’re not the same, it’s not pure.

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