Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Chapter 19, Problem 19.64E
Interpretation Introduction
Interpretation:
The reason as to why the diffusion stops when a solute gas is evenly spread in a system of solvent gas is to be stated.
Concept introduction:
Fick’s first law of diffusion gives the relation between diffusion and the concentration gradient in
Where,
•
•
•
The value of constant
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Given these values, find the initial mole fraction and initial mass % of the solute (NaCl)
Solvent (water) weight: 329.8g
Solute (NaCl) weight: 20.8
Solute (NaCl) Molar mass=58.44
moles of solute (NaCl) = .356
Given these values, find the initial mole fraction and initial mass % of the solute (sucrose)
Solvent (water) weight: 200g
Solute (NaCl) weight: 232g
Solute (NaCl) Molar mass=342.3
moles of solute (NaCl) = .678
Diffusion will occur when a solute in high concentration migrates to an area of low concentration until the solute is evenly distributed throughout the solution. True or False?
Chapter 19 Solutions
Physical Chemistry
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