Analytical Chemistry

Learn the toughest concepts covered in your Analytical Chemistry class with step-by-step video tutorials and practice problems.

Advanced Topics in Equilibrium

Activity Coefficients

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Activity coefficients is factor used in describing the departure from ideal behavior for a reaction mixture. 

Activity Coefficients

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concept

Activity Coefficient

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Activity Coefficient

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Activity Coefficient

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Activity Coefficient Table

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Activity Coefficient Table

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Activity Coefficient Table Calculations 1

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Activity Coefficient Table Calculations 1

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Problem

Calculate 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)

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Interpolation: Non-ideal Ionic Strength

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Non-Ideal Ionic Strength

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Non-Ideal Ionic Strength

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Problem

Find the activity coefficient from the given ionic strength, µ, for the following ion.

F   when µ = 0.0080