For a semi-permeable membrane with a molecular weight cutoff of 20 kDa separating two solutions (A and B) at 298 K (i.e., only molecules of MW lower than this can pass through the membrane), calculate the difference in osmotic pressure if solutions A and B have the following compositions: 7. Solution A: Dilute aqueous solution containing two proteins: Protein #1: Concentration 8.3 mM, molecular weight = 4.2 kDa. Protein #2: Concentration 5.2 mM, molecular weight = 67.5 kDa. Solution B: Dilute aqueous solution containing three proteins: Protein #1: Concentration 34.2 mM, molecular weight 5.7 kDa. Protein #2: Concentration 12.7 mM, molecular weight 35.2 kDa. Protein #3: Concentration 23.5 mM, molecular weight 70.4 kDa.

For a semi-permeable membrane with a molecular weight cutoff of 20 kDa separating two solutions (A and B) at 298 K (i.e., only molecules of MW lower than this can pass through the membrane), calculate the difference in osmotic pressure if solutions A and B have the following compositions: 7. Solution A: Dilute aqueous solution containing two proteins: Protein #1: Concentration 8.3 mM, molecular weight = 4.2 kDa. Protein #2: Concentration 5.2 mM, molecular weight = 67.5 kDa. Solution B: Dilute aqueous solution containing three proteins: Protein #1: Concentration 34.2 mM, molecular weight 5.7 kDa. Protein #2: Concentration 12.7 mM, molecular weight 35.2 kDa. Protein #3: Concentration 23.5 mM, molecular weight 70.4 kDa.

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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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

For a semi-permeable membrane with a molecular weight cutoff of 20 kDa separating
two solutions (A and B) at 298 K (i.e., only molecules of MW lower than this can pass through
the membrane), calculate the difference in osmotic pressure if solutions A and B have the
following compositions:
7.
Solution A: Dilute aqueous solution containing two proteins:
Protein #1: Concentration = 8.3 mM, molecular weight = 4.2 kDa.
Protein #2: Concentration = 5.2 mM, molecular weight = 67.5 kDa.
Solution B: Dilute aqueous solution containing three proteins:
Protein #1: Concentration = 34.2 mM, molecular weight = 5.7 kDa.
Protein #2: Concentration 12.7 mM, molecular weight 35.2 kDa.
Protein #3: Concentration = 23.5 mM, molecular weight = 70.4 kDa.

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