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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro
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To what pH should you adjust a standard hydrogen electrode

Chapter 18, Problem 128E

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QUESTION:

Problem 128E

To what pH should you adjust a standard hydrogen electrode to get an electrode potential of -0.122 V ? (Assume that the partial pressure of hydrogen gas remains at 1 atm.)

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QUESTION:

Problem 128E

To what pH should you adjust a standard hydrogen electrode to get an electrode potential of -0.122 V ? (Assume that the partial pressure of hydrogen gas remains at 1 atm.)

ANSWER:

Problem 128ETo what pH should you adjust a standard hydrogen electrode to get an electrode potentialof -0.122 V (Assume that the partial pressure of hydrogen gas remains at 1 atm.) Step by step solutionStep 1 of 3The standard hydrogen electrode is as follows.The half cell reaction is as follows.The pH of the solution can be calculated by the Nernst equation. .......................(1)Rearrange the equation (1) as follows. ...............(2)

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