Two grams of benzoic acid dissolved in 25 g of benzene, K = 4.90 K kg/mol, produce a freezing point depression of 1.62 K. Calculate the molar mass. Compare this with the molar mass obtained from the formula for benzoic acid, C,H;COOH. -END-

Two grams of benzoic acid dissolved in 25 g of benzene, K = 4.90 K kg/mol, produce a freezing point depression of 1.62 K. Calculate the molar mass. Compare this with the molar mass obtained from the formula for benzoic acid, C,H;COOH. -END-

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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Question

Two grams of benzoic acid dissolved in 25 g of benzene, K = 4.90 K kg/mol, produce a freezing
point depression of 1.62 K. Calculate the molar mass.
Compare this with the molar mass obtained from the formula for benzoic acid, C,H;COOH.
-END-

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