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…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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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