Given the following activity coefficient data: Ion Ion Size (pm) Ionic Strength (μ, M) 0.001 0.005 0.01 0.05 0.1 Zn2+ 600 0.870 0.749 0.675 0.485 0.405 Calculate the ionic strength of a solution that is 0.0213 M Mg(CN)2. Based on your results in part 1, what is the activity coefficient of Zn2+? 3. Zinc cyanide, Zn(CN)2, has a Ksp of 3.0 x 10−16. Using the activity coefficient you calculated in part 2, find the concentration of Zn2+ in a saturated solution of Zn(CN)2 in 0.0213 M Mg(CN)2. (Note: The activity coefficient for cyanide in at this ionic strength is 0.791.)

Given the following activity coefficient data: Ion Ion Size (pm) Ionic Strength (μ, M) 0.001 0.005 0.01 0.05 0.1 Zn2+ 600 0.870 0.749 0.675 0.485 0.405 Calculate the ionic strength of a solution that is 0.0213 M Mg(CN)2. Based on your results in part 1, what is the activity coefficient of Zn2+? 3. Zinc cyanide, Zn(CN)2, has a Ksp of 3.0 x 10−16. Using the activity coefficient you calculated in part 2, find the concentration of Zn2+ in a saturated solution of Zn(CN)2 in 0.0213 M Mg(CN)2. (Note: The activity coefficient for cyanide in at this ionic strength is 0.791.)

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section12.3: Determining Equilibrium Constants

Problem 12.3PSP

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