7. Activity and the Systematic Treatment of Equilibrium
Activity Coefficients
7. Activity and the Systematic Treatment of Equilibrium
Activity Coefficients
Activity coefficients is factor used in describing the departure from ideal behavior for a reaction mixture.
Activity Coefficients
1
concept
Activity Coefficient
5m
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2
example
Activity Coefficient
1m
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3
example
Activity Coefficient
1m
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Activity Coefficient Table
4
example
Activity Coefficient Table
4m
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5
example
Activity Coefficient Table Calculations 1
2m
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6
example
Activity Coefficient Table Calculations 1
2m
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7
Problem
ProblemCalculate the activity coefficient of H+ using the extended Debye-Huckel equation for a solution comprised of H+ and I –. Given that H+ has a size of 9.00 x 10-10 m and the molar concentration of the solution is 0.075.
log γ = − 0.51 z 2 √µ / 1 + (α √µ / 305)
A
0.917
B
-0.0772
C
0.837
D
1.49
E
0.671

Interpolation: Non-ideal Ionic Strength
8
concept
Non-Ideal Ionic Strength
59s
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9
example
Non-Ideal Ionic Strength
3m
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10
Problem
ProblemFind the activity coefficient from the given ionic strength, µ, for the following ion.
F – when µ = 0.0080
A
0.8896
B
1.378
C
0.1040
D
0.9104