When is conductance at its lowest possible value for a solution that can be analyzed via the conductimetric method? When all free ions have been removed from solution by forming a solid, liquid, or gaseous product. When the spectator ions have been consumed. When all reactant ions are consumed leaving only spectator ions.

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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.