The variation in the concentration of the glucose and NaCl (sodium chloride) injected into the blood. Introduction: Blood is the main transporting fluid in the body. Many solutes, in varying concentrations, are dissolved in blood. The osmolarity of the blood is maintained in the body by osmosis and diffusion of the water and different molecules. This osmotic balance is regulated by the homeostasis of the body. During diseased conditions, the osmotic balance of the blood is disturbed and thus solutes are injected into the body, relative to their concentration in the body.

Question

Consider a suspension of particles (isoelectric point is at pH 6) in water at pH 2 and a NaCl concentration of 0.001 M. Describe how the strength of repulsion varies with the following changes, assuming all other conditions remain constant. Give a description (more than just increase or decrease) in terms of the effect on the double layer thickness and the zeta potential. (a) Change from 0.001 M NaCl to 0.1 M NaCl, (b) Change from pH = 2 to pH = 5.

Answer 1

Question

Chapter 5, Problem 13TYK

Summary Introduction

To review:

The variation in the concentration of the glucose and NaCl (sodium chloride) injected into the blood.

Introduction:

Blood is the main transporting fluid in the body. Many solutes, in varying concentrations, are dissolved in blood. The osmolarity of the blood is maintained in the body by osmosis and diffusion of the water and different molecules. This osmotic balance is regulated by the homeostasis of the body. During diseased conditions, the osmotic balance of the blood is disturbed and thus solutes are injected into the body, relative to their concentration in the body.

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Consider a suspension of particles (isoelectric point is at pH 6) in water at pH 2 and a NaCl concentration of 0.001 M. Describe how the strength of repulsion varies with the following changes, assuming all other conditions remain constant. Give a description (more than just increase or decrease) in terms of the effect on the double layer thickness and the zeta potential. (a) Change from 0.001 M NaCl to 0.1 M NaCl, (b) Change from pH = 2 to pH = 5.

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