Average activity coefficient for HBr at 25oC for three different diluted solutions is 0.930 (at m = 5.0 mmol kg-1), 0.907 (at m = 10.0 mmol kg-1), and 0.879 (at m = 20.0 mmol / kg-1) has been given. Calculate the approximate value of the constant B in the expanded Debye Hückel law.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter10: Effect Of Electrolytes On Chemical Equilibria
Section: Chapter Questions
Problem 10.11QAP
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Average activity coefficient for HBr at 25oC for three different diluted solutions is 0.930 (at m = 5.0 mmol kg-1), 0.907 (at m = 10.0 mmol kg-1), and 0.879 (at m = 20.0 mmol / kg-1) has been given. Calculate the approximate value of the constant B in the expanded Debye Hückel law.

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