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.
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![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 + RTln(x), where s → 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.
I
0.5
1.0
2.0
4.0
6.0
0.9018
0.9155
0.9619
1.0938
1.2536
where I = ₁ z²M₁ 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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F296ff3eb-b3c1-450b-9ede-4efaa8667733%2F383859ba-3089-437e-8019-27636909f0a9%2F1n21rv_processed.png&w=3840&q=75)
Transcribed Image Text: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 + RTln(x), where s → 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.
I
0.5
1.0
2.0
4.0
6.0
0.9018
0.9155
0.9619
1.0938
1.2536
where I = ₁ z²M₁ 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.
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