Extracellular Intracellular Nernst potential (370C, mV) lon Concentration (mM) Concentration (mM) Sodium 165 15 Potassium 16 220

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 23.23QAP: The following cell was found to have a potential of —0.492 V: Ag|AgCl(sat’d)||HA(0.200 M),NaA(0.300...
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Calculate Equilibrium/Reversal Potentials of Sodium and Potassium ions.

 

Extracellular
Nernst potential
(370C, mV)
lon
Intracellular
Concentration (mM)
Concentration (mM)
Sodium
165
15
Potassium
16
220
Transcribed Image Text:Extracellular Nernst potential (370C, mV) lon Intracellular Concentration (mM) Concentration (mM) Sodium 165 15 Potassium 16 220
Expert Solution
Step 1 : Given

[Na+]outside =165 mM

[Na+]inside =15 mM

[K+]outside =16 mM

[K+]inside = 220 mM

Temperature, T = 37°C = (37 + 273.15) K = 310.15 K

 

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