A solvent (molar mass = 98.2 g mol-¹) has a vapour pressure of 4930 Pa at 20 °C; at 50 °C this increases to 1.94 x 104 Pa. A mass of 12.8 g of an unknown solute is dissolved in 100.0 g of the solvent. Assume the solute has negligible vapour pressure. Estimate the normal boiling point of the solution.

A solvent (molar mass = 98.2 g mol-¹) has a vapour pressure of 4930 Pa at 20 °C; at 50 °C this increases to 1.94 x 104 Pa. A mass of 12.8 g of an unknown solute is dissolved in 100.0 g of the solvent. Assume the solute has negligible vapour pressure. Estimate the normal boiling point of the solution.

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

A solvent (molar mass = 98.2 g mol-¹) has a vapour pressure of 4930 Pa at 20
°C; at 50 °C this increases to 1.94 x 104 Pa. A mass of 12.8 g of an unknown solute
is dissolved in 100.0 g of the solvent. Assume the solute has negligible vapour
pressure. Estimate the normal boiling point of the solution.

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