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Consider the following statements as they apply to electrodes used in potentiometry. Decide if each is true or false. True - Potentiometry is a technique in which only a very low current flows through the working electrode. True - A selectivity ratio of zero means that there is no interference from a particular ion. False A saturated calomel electrode (SCE) is a common reference electrode that contains mercurous chloride, liquid mercury, and a saturated solution of KCI. False A Ag/AgCl reference electrode can be used at temperatures higher than 60 °C whereas calomel electrodes cannot. False A "combination" ion selective electrode (ISE) is a special electrode that measures more than one metal at a time.

Consider the following statements as they apply to electrodes used in potentiometry. Decide if each is true or false. True - Potentiometry is a technique in which only a very low current flows through the working electrode. True - A selectivity ratio of zero means that there is no interference from a particular ion. False A saturated calomel electrode (SCE) is a common reference electrode that contains mercurous chloride, liquid mercury, and a saturated solution of KCI. False A Ag/AgCl reference electrode can be used at temperatures higher than 60 °C whereas calomel electrodes cannot. False A "combination" ion selective electrode (ISE) is a special electrode that measures more than one metal at a time.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider the following statements as they apply to electrodes used in potentiometry. Decide if each is true or false. v Potentiometry is a technique in which only a very low current flows through the working electrode. A selectivity ratio of zero means that there is no interference from a particular ion. True True False v A saturated calomel electrode (SCE) is a common reference electrode that contains mercurous chloride, liquid mercury, and a saturated solution of KCI. False v A Ag/AgCl reference electrode can be used at temperatures higher than 60 °C whereas calomel electrodes cannot. False v A "combination" ion selective electrode (ISE) is a special electrode that measures more than one metal at a time. See Chapter 23 in your textbook. Submit Answer Incorrect. Tries 5/20 Previous Tries
Transcribed Image Text:Consider the following statements as they apply to electrodes used in potentiometry. Decide if each is true or false. v Potentiometry is a technique in which only a very low current flows through the working electrode. A selectivity ratio of zero means that there is no interference from a particular ion. True True False v A saturated calomel electrode (SCE) is a common reference electrode that contains mercurous chloride, liquid mercury, and a saturated solution of KCI. False v A Ag/AgCl reference electrode can be used at temperatures higher than 60 °C whereas calomel electrodes cannot. False v A "combination" ion selective electrode (ISE) is a special electrode that measures more than one metal at a time. See Chapter 23 in your textbook. Submit Answer Incorrect. Tries 5/20 Previous Tries
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