Be sure to answer all parts. Determine the concentration of an aqueous solution that has an osmotic pressure of 3.9 atm at 37°C if the solute is glucose. M Determine the concentration of an aqueous solution that has an osmotic pressure of 3.9 atm at 37°C if the solute is sodium chloride. Assume no ion pairing. M

Be sure to answer all parts. Determine the concentration of an aqueous solution that has an osmotic pressure of 3.9 atm at 37°C if the solute is glucose. M Determine the concentration of an aqueous solution that has an osmotic pressure of 3.9 atm at 37°C if the solute is sodium chloride. Assume no ion pairing. M

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 68QAP: Consider two solutions at a certain temperature. Solution X has a nonelectrolyte as a solute and an...

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Consider three test tubes. Tube A has pure water. Tube B has an aqueous 1.0 m solution of ethanol, C2H5OH. Tube C has an aqueous 1.0 m solution of NaCl. Which of the following statements are true? (Assume that for these solutions 1.0m=1.0M.) (a) The vapor pressure of the solvent over tube A is greater than the solvent pressure over tube B. (b) The freezing point of the solution in tube B is higher than the freezing point of the solution in tube A. (c) The freezing point of the solution in tube B is higher than the freezing point of the solution in tube C. (d) The boiling point of the solution in tube B is higher than the boiling point of the solution in tube C. (e) The osmotic pressure of the solution in tube B is greater than the osmotic pressure of the solution in tube C.
Water at 25 C has a density of 0.997 g/cm3. Calculate the molality and molarity of pure water at this temperature.
Will red blood cells swell, remain the same size, or shrink when placed in each of the solutions in Problem 8-101? Classify each of the following solutions as hypotonic, isotonic, or hypertonic relative to red blood cells? a. 0.92%(m/v) glucose solution b. 0.92%(m/v) NaCl solution c. 2.3%(m/v) glucose solution d. 5.0%(m/v) NaCl solution
Consider two solutions at a certain temperature. Solution X has a nonelectrolyte as a solute and an osmotic pressure of 1.8 atm. Solution Y also has a nonelectrolyte as a solute and an osmotic pressure of 4.2 atm. What is the osmotic pressure of a solution made up of equal volumes of solutions X and Y at the same temperature? Assume that the volumes are additive.
The following table lists the concentrations of the principal ions in seawater: (a) Calculate the freezing point of seawater. (b) Calculate the osmotic pressure of seawater at 25 C. What is the minimum pressure needed to purify seawater by reverse osmosis?