A lithium ion-selective electrode gave the potentials given next for the following standard solutions of LiCl and

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A lithium ion-selective electrode gave the potentials given next for the following standard solutions of LiCl and two samples of unknown concentration:

(a) Construct a calibration curve of potential versus log a_Li⁺, and determine if the electrode follows the Nernst equation.
(b) Use a linear least-squares procedure to determine the concentrations of the two unknowns.

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Fundamentals Of Analytical Chemistry

ISBN: 9780357450390

10th Edition

Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch

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Question Posted: May 10, 2022 01:41 AM

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A lithium ion-selective electrode gave the potentials given next for the following standard solutions of LiCl and

Question:

Solution (4;) 0.100 M Potential vs. SCE, mV +1.0 0.050 M -30.0 0.010 M -60.0 0.001 M -138.0 Unknown 1 -48.5 Unknown 2 -75.3

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Standard Solutions LiCl M 0100 0500 and 1000 Potential mV 50 85 and 110 Unknown Solutions Potential ...View the full answer

Fundamentals Of Analytical Chemistry

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