-3 Question: We know the concentration of copper sulfate to be 0.01 mol dm from other experiment, and so we also know (from suitable tables) that the ionic activity coefficient of the copper sulfate solution is 0.404. The measure electrode potential was E cupper ion (1) without considering the activity coefficient (2) considering the activity coefficient. = 0.269 and E Cu+,Cu = 0.340. Calculate the concentration of Cu+,Cu

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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.