Given that the vapor pressure of water is 17.54 torr at 20 °C , calculate the vapor-pressure lowering of aqueous solutions that are 2.10 m in sucrose, C,H,„0u, and calcium chloride. STRATEGY 1. Determine the colligative molality of each solution. 2. Convert each colligative molality to a mole fraction. 3. Apply Raoult's law. Step 1: Determine the colligative molality of each solution. Assume 100% dissociation for electrolytes. 2.10 m sucrose:

Given that the vapor pressure of water is 17.54 torr at 20 °C , calculate the vapor-pressure lowering of aqueous solutions that are 2.10 m in sucrose, C,H,„0u, and calcium chloride. STRATEGY 1. Determine the colligative molality of each solution. 2. Convert each colligative molality to a mole fraction. 3. Apply Raoult's law. Step 1: Determine the colligative molality of each solution. Assume 100% dissociation for electrolytes. 2.10 m sucrose:

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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