1) A sample of diethyl ether is added to amixture of water and octanol at atemperature of 293 K. If the equilibriumconcentration of diethyl ether in theaqueous layer is 21 mmol dm-3, what is theconcentration of the organic layer? Thevalue of the coefficient for the partition ofdiethyl ether between octanol and water atthis temperature is, expressed as alogarithm, log10K = 0.83.А.-33.1 mmol dmВ.-32.1 mol dmС.1.8 mmol dm-3D.0.14 mol dm-32)Calculate the concentration of Ba2*(aq) ionsin solution when barium sulfate, BaSO4(s),is added to a 0.125 mol dm-3 solution ofsulfuric acid, H2SO4(aq) at 298 K. Thesolubility product of barium sulfate at thistemperature is 1.30 x 10-10.A.1.14 x 10-5 mol dm-3В.1.04 x 10mol dm-3С.0.125 mol dm-3D.1.63 x 10-11 mol dm-3

1. Correct answer is -(D) 0.14 mol dm-3 2. Correct answer is - (B) 1.04 mol dm-3

mixture of water and octanol at a temperature of 293 K. If the equilibrium concentration of diethyl ether in the aqueous layer is 21 mmol dm-3, what is the concentration of the organic layer? The value of the coefficient for the partition of diethyl ether between octanol and water at this temperature is, expressed as a logarithm, log1oK = 0.83. А. 3.1 mmol dm-3 В. 2.1 mol dm-3 C. 1.8 mmol dm-3 D. -3 0.14 mol dm

mixture of water and octanol at a temperature of 293 K. If the equilibrium concentration of diethyl ether in the aqueous layer is 21 mmol dm-3, what is the concentration of the organic layer? The value of the coefficient for the partition of diethyl ether between octanol and water at this temperature is, expressed as a logarithm, log1oK = 0.83. А. 3.1 mmol dm-3 В. 2.1 mol dm-3 C. 1.8 mmol dm-3 D. -3 0.14 mol dm

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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