Answered: A solution consists of 0.020 mol.kg-1…

A solution consists of 0.020 mol.kg-1 KCl(aq) and 0.035 mol.kg-1 Ca(NO3)2(aq). For Cd(NO3)2(aq), calculate (i) the average activity coefficient, and (ii) the activities of Cd2+ and NO3

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter6: The Systematic Approach To Equilibria: Solving Many Equations

Section: Chapter Questions

Problem 10P

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Concept explainers

Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.

Question

A solution consists of 0.020 mol.kg-1 KCl(aq) and 0.035 mol.kg-1 Ca(NO3)2(aq). For Cd(NO3)2(aq), calculate (i) the average activity coefficient, and (ii) the activities of Cd2+ and NO3

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