When the Hg2+ concentration is 4.78x10^-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.416V. What is the Al3+ concentration? 3Hg2+ (aq) + 2Al(s)3Hg(l )+2A13+(aq) Answer:

When the Hg2+ concentration is 4.78x10^-4 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.416V. What is the Al3+ concentration? 3Hg2+ (aq) + 2Al(s)3Hg(l )+2A13+(aq) Answer:

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 68QAP: Calculate the voltages of the following cells at 25°C and under the following conditions: (a)...

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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

When the Hg2+ concentration is 4.78x10^-4 M, the observed cell
potential at 298K for an electrochemical cell with the following reaction is
2.416V. What is the Al3+ concentration? 3Hg2 + (aq) + 2Al(s)3Hg(1
)+2A13+(aq) Answer:

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