Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:a) AICI3 has a solubility constant, Ks of 2.911 × 103. An aqueous saturated
solution of AICI3 has a molality of 3.465 mol kg-1. Calculate the mean
activity coefficient for this solution.
b) A weak aqueous solution of SrBr2 is prepared at 25.0 °C by dissolving
53.3 umol in 40.0 g of water. Determine the mean activity coefficient for
this solution, justifying your choice of method.
c) Given the standard reduction potentials for two ions of element X
X+ + e- → X
E® = 0.378 V
X2+ + 2e- → X
E° = 1.212 V
calculate the standard reduction potential for the half reaction
X2+ + e- → X*
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