The walls of erythrocytes (red blood cells) are permeableto water. In a salt solution, they shrivel (lose water) whenthe outside salt concentration is high and swell (take upwater) when the outside salt concentration is low. In anexperiment at 25°C, an aqueous solution of NaCl that hasa freezing point of-0.046°C causes erythrocytes neitherto swell nor to shrink, indicating that the osmotic pressureof their contents is equal to that of the NaCl solution.Calculate the osmotic pressure of the solution inside theerythrocytes under these conditions, assuming that itsmolarity and molality are equal.
The walls of erythrocytes (red blood cells) are permeableto water. In a salt solution, they shrivel (lose water) whenthe outside salt concentration is high and swell (take upwater) when the outside salt concentration is low. In anexperiment at 25°C, an aqueous solution of NaCl that hasa freezing point of-0.046°C causes erythrocytes neitherto swell nor to shrink, indicating that the osmotic pressureof their contents is equal to that of the NaCl solution.Calculate the osmotic pressure of the solution inside theerythrocytes under these conditions, assuming that itsmolarity and molality are equal.
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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The walls of erythrocytes (red blood cells) are permeable
to water. In a salt solution, they shrivel (lose water) when
the outside salt concentration is high and swell (take up
water) when the outside salt concentration is low. In an
experiment at 25°C, an aqueous solution of NaCl that has
a freezing point of-0.046°C causes erythrocytes neither
to swell nor to shrink, indicating that the osmotic pressure
of their contents is equal to that of the NaCl solution.
Calculate the osmotic pressure of the solution inside the
erythrocytes under these conditions, assuming that its
molarity and molality are equal.
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