A sodium ion-selective electrode increased in voltage by 59.16 mV when the sodium cation concentration was increased by a factor of 10. A S2-ion-selective electrode measured a decrease of 29.58 mV when the sulfide concentration increased by a factor of 10. Why? Select all that apply A. Cations always increase the measured potential by z x 59.16 mV where z is the charge on the cation. UB. Anions always decrease the measured potential by z x 59.16 mV where z is the charge on the anion. C. Cations always increase the measured potential by 59.16 mV/z, where z is the charge on the cation. D. Anions always decrease the measured potential by 59.16 mV/z, where z is the charge on the anion.
A sodium ion-selective electrode increased in voltage by 59.16 mV when the sodium cation concentration was increased by a factor of 10. A S2-ion-selective electrode measured a decrease of 29.58 mV when the sulfide concentration increased by a factor of 10. Why? Select all that apply A. Cations always increase the measured potential by z x 59.16 mV where z is the charge on the cation. UB. Anions always decrease the measured potential by z x 59.16 mV where z is the charge on the anion. C. Cations always increase the measured potential by 59.16 mV/z, where z is the charge on the cation. D. Anions always decrease the measured potential by 59.16 mV/z, where z is the charge on the anion.
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter23: Potentiometry
Section: Chapter Questions
Problem 23.14QAP
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Transcribed Image Text:A sodium ion-selective electrode increased in voltage by 59.16 mV when the sodium cation concentration was increased by a factor of 10. A
S²-ion-selective electrode measured a decrease of 29.58 mV when the sulfide concentration increased by a factor of 10. Why? Select all that
apply
A. Cations always increase the measured potential by z x 59.16 mV where z is the charge on the cation.
B. Anions always decrease the measured potential by z x 59.16 mV where z is the charge on the anion.
C. Cations always increase the measured potential by 59.16 mV/z, where z is the charge on the cation.
D. Anions always decrease the measured potential by 59.16 mV/z, where z is the charge on the anion.
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