3Given the following statements:The temperature of the solution is at 25°C.The vapor pressure of water at 25°C is 23.76 mmHg.Aqueous urea (CON2H4) solution has a concentration of 2.50 molal.Density of urea is 1.32g/mlOsmotic pressure of aqueous urea is 0.163atmSame weight of urea was dissolved in 500g of benzene (C&Hs)Urea was replaced by naphthalene (C10H8) in benzene.The weight of naphthalene is the same as the weight of urea in urea-benzene solution.Calculate the following:a.Vapor pressure of the aqueous urea.b.Molarity of the aqueous urea.С.Freezing point of the urea-benzene solution (kr = 4.89 C/m, F.P. = 5.45 °C)d.Mole fraction of the solvent in urea-benzene solutionе.Boiling point of elevation of naphthalene-benzene solution (kp = 2.53 °C/m, B.P. = 80.1 °C)

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3. Given the following statements: The temperature of the solution is at 25°C. The vapor pressure of water at 25°C is 23.76 mmHg. Aqueous urea (CON2H«) solution has a concentration of 2.50 molal. Density of urea is 1.32g/ml Osmotic pressure of aqueous urea is 0.163atm Same weight of urea was dissolved in 500g of benzene (C&H¢) Urea was replaced by naphthalene (C10H3) in benzene. The weight of naphthalene is the same as the weight of urea in urea-benzene solution. Calculate the following: a. Vapor pressure of the aqueous urea. b. Molarity of the aqueous urea. c. Freezing point of the urea-benzene solution (k = 4.89 °C/m, F.P. = 5.45 °C)

3. Given the following statements: The temperature of the solution is at 25°C. The vapor pressure of water at 25°C is 23.76 mmHg. Aqueous urea (CON2H«) solution has a concentration of 2.50 molal. Density of urea is 1.32g/ml Osmotic pressure of aqueous urea is 0.163atm Same weight of urea was dissolved in 500g of benzene (C&H¢) Urea was replaced by naphthalene (C10H3) in benzene. The weight of naphthalene is the same as the weight of urea in urea-benzene solution. Calculate the following: a. Vapor pressure of the aqueous urea. b. Molarity of the aqueous urea. c. Freezing point of the urea-benzene solution (k = 4.89 °C/m, F.P. = 5.45 °C)

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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