Problem 2 answers in units of bar for part b, provide your equilibrium osmotic pressure The osmotic coefficient of a solvent , is defined by G = Gs+ ,RTIn(xs), where , → 1 as x, → 1: a) Develop an expression relating the activity coefficient ys to the osmotic coefficient s. b), Robinson and Wood (J. Sol. Chem., 1, 481 [1972]) report the following interpolated values for the osmotic coefficient of seawater as a function of concentration at 25°C. Γ. Φε 0.5 1.0 2.0 4.0 6.0 0.9018 0.9155 0.9619 1.0938 1.2536 where I = ₁zM; is the ionic strength, z, is the valence of the ith ionic species and M, is its molality. For simplicity, seawater may be considered to be a mixture of only sodium chloride and water. Compute the water activity coefficient and the equilibrium osmotic pressure for each of the solutions in the table.

Problem 2 answers in units of bar for part b, provide your equilibrium osmotic pressure The osmotic coefficient of a solvent , is defined by G = Gs+ ,RTIn(xs), where , → 1 as x, → 1: a) Develop an expression relating the activity coefficient ys to the osmotic coefficient s. b), Robinson and Wood (J. Sol. Chem., 1, 481 [1972]) report the following interpolated values for the osmotic coefficient of seawater as a function of concentration at 25°C. Γ. Φε 0.5 1.0 2.0 4.0 6.0 0.9018 0.9155 0.9619 1.0938 1.2536 where I = ₁zM; is the ionic strength, z, is the valence of the ith ionic species and M, is its molality. For simplicity, seawater may be considered to be a mixture of only sodium chloride and water. Compute the water activity coefficient and the equilibrium osmotic pressure for each of the solutions in the table.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.26QAP

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