An aqueous sucrose (C12H22011) solution of unknown concentration is found to have afreezing point of -0.75°C. What is the boiling point and the vapor pressure (in torr) of water at25°C of this solution? (Vapor pressure of pure water at 25°C = 23.8 torr)Enter the final answers with 2 decimal places and correct units and as:BP =VP =

We have to calculate the vapour pressure (V.P.) and Boiling point of a solution when sucrose is…

Answered: An aqueous sucrose (C12H22011) solution…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter12: Solutions

Section: Chapter Questions

Problem 12.64QE

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Similar questions

You have two aqueous solutions separated by a semipermeable membrane. One contains 5.85 g of NaCl dissolved in 100. mL of solution, and the other contains 8.88 g of KNO3 dissolved in 100. mL of solution. In which direction will solvent flow: from the NaCl solution to the KNO3 solution, or from KNO3 to NaCl? Explain briefly.
Calculate the vapor pressure of water over each of the following solutions of glycerol, C3H8O3, at 28C (vaporpressureofpurewater=28.35mmHg). Glycerol can be assumed to be nonvolatile. (a) percentglycerolbymass=30.6 (b) 2.74 m (c) molefractionofglycerol=0.188
Calculate the freezing point and normal boiling points of each of the following aqueous solutions. (a) 2.63 m acetic acid (b) 33.0 % by mass lactose, C12H22O11 (c) 32.15 mL of ethylene glycol, C2H6O2(d=1.113g/mL) in 624 mL of water (d=1.00g/mL)
An aqueous solution containing 10.0 g of starch per liter has an osmotic pressure of 3.8 mm Hg at 25 C. (a) What is the average molar mass of starch? (The result is an average because not all starch molecules are identical.) (b) What is the freezing point of the solution? Would it be easy to determine the molecular weight of starch by measuring the freezing point depression? (Assume that the molarity and molality are the same for this solution.)
What is the boiling point of a solution of NaCI in water if the solution freezes at -0.93 C?
Which of the following will have the lowest total vapor pressure at 25C? a. pure water (vapor pressure = 23.8 torr at 25C) b. a solution of glucose in water with C6H12O6=0.01 c. a solution of sodium chloride in water with NaCl = 0.01 d. a solution of methanol in water with CH3OH=0.2 (Consider the vapor pressure of both methanol [143 torr at 25C] and water.)

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