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2. A polystyrene sample was dissolved in benzene to obtain solutions of different known concentrations. Measurement of osmotic head for these solutions at 30°C with a static equilibrium osmometer produced the following data: Concentration, c (g.dL) 0.260 0.540 0.755 0.920 1.025 Osmotic head, h (cm C.H.) 0.140 0.516 0.966 1.389 1.730 Determine for the polymer (a) M., (b) the second virial coefficient.

2. A polystyrene sample was dissolved in benzene to obtain solutions of different known concentrations. Measurement of osmotic head for these solutions at 30°C with a static equilibrium osmometer produced the following data: Concentration, c (g.dL) 0.260 0.540 0.755 0.920 1.025 Osmotic head, h (cm C.H.) 0.140 0.516 0.966 1.389 1.730 Determine for the polymer (a) M., (b) the second virial coefficient.

Chemistry
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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2. A polystyrene sample was dissolved in benzene to obtain solutions of different known concentrations. Measurement of osmotic head for these solutions at 30°C with a static equilibrium osmometer produced the following data: Concentration, c (g.dL) 0.260 0.540 0.755 0.920 1.025 Osmotic head, h (cm C.H.) 0.140 0.516 0.966 1.389 1.730 Determine for the polymer (a) M., (b) the second virial coefficient.
Transcribed Image Text:2. A polystyrene sample was dissolved in benzene to obtain solutions of different known concentrations. Measurement of osmotic head for these solutions at 30°C with a static equilibrium osmometer produced the following data: Concentration, c (g.dL) 0.260 0.540 0.755 0.920 1.025 Osmotic head, h (cm C.H.) 0.140 0.516 0.966 1.389 1.730 Determine for the polymer (a) M., (b) the second virial coefficient.
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