Calculate the ionic strength of a 0.0019 m aqueous solution of MgCl2 at 298 K. 4.0.0057 X 0.00570 Check the number of significant figures. m Use the Debye-Hückel limiting law to estimate the following. (a) the activity coefficients of the Mg2+ and CI- ions in this solution 4.0 Y+ = .84 V- = 4.0 .92 (b) the mean ionic activity coefficient of these ions 4.0 .89

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter10: Effect Of Electrolytes On Chemical Equilibria
Section: Chapter Questions
Problem 10.8QAP
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Calculate the ionic strength of a 0.0019 m aqueous solution of MgCl2 at 298 K.
4.0.0057 X
0.00570 Check the number of significant figures. m
Use the Debye-Hückel limiting law to estimate the following.
(a) the activity coefficients of the Mg2+ and CI- ions in this solution
4.0
Y+ =
.84
V- =
4.0
.92
(b) the mean ionic activity coefficient of these ions
4.0 .89
Transcribed Image Text:Calculate the ionic strength of a 0.0019 m aqueous solution of MgCl2 at 298 K. 4.0.0057 X 0.00570 Check the number of significant figures. m Use the Debye-Hückel limiting law to estimate the following. (a) the activity coefficients of the Mg2+ and CI- ions in this solution 4.0 Y+ = .84 V- = 4.0 .92 (b) the mean ionic activity coefficient of these ions 4.0 .89
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