0. 5.25g of a substance is dissolved in 565g of benzene at 298K and raises the boiling point by 0.625°C. Calculate the freezing point depression, the ratio of the vapor pressure of the solution to that of benzene and the molecular weight of the solute. For benzene, Kf = pure 5.12 K kg mol-1, K, = 2.53 K kg mol-1,p* = 103 torr at 298K and the density is 876.6 kg m-³.

0. 5.25g of a substance is dissolved in 565g of benzene at 298K and raises the boiling point by 0.625°C. Calculate the freezing point depression, the ratio of the vapor pressure of the solution to that of benzene and the molecular weight of the solute. For benzene, Kf = pure 5.12 K kg mol-1, K, = 2.53 K kg mol-1,p* = 103 torr at 298K and the density is 876.6 kg m-³.

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...

See similar textbooks

Similar questions

Give detailed Solution with explanation needed (no need Handwritten answer
The solubility of sucrose near 0°C is 65% by weight. What is the maximum freezing point depression that can be obtained using sucrose? For 100ml of water, how many grams of sodium chloride would create the same freezing point depression?
You have a sucrose solution of 28°Brix or 28 grams of sugar per 100 grams solution in a ripe grape ready to be made into wine. What is the molality of the solution? Look up the freezing point depression constant KF and figure out what the new freezing temperature would be for that solution.
References Use the References to access important values if needed for this question. The normal boiling point of diethyl ether (CH3CH,OCH,CH3) is 34.50 °C and its Kpp value is 2.02 °C/m. A nonvolatile, nonelectrolyte that dissolves in diethyl ether is testosterone. If 11.37 grams of testosterone, C19H2802 (288.4 g/mol), are dissolved in 286.0 grams of diethyl ether: The molality of the solution is m. The boiling point of the solution is -c. Submit Answer 4. BP/FP Calculations: Solutions of Nonelectrolytes: This is group attempt 1 of 5 Regenerate Group Rack
Consider the sugar–water phase diagram of Figure 9.1. Initially, saturated liquid solution 900 g of water at 60°C is cooled to 20°C (68°F), some of the sugar precipitates as a solid. How much of the solid sugar in kg will come out of solution upon cooling to 20°C?
Raoult’s Law states: the vapor pressure (Psolution) of a solution is proportional to the mole fraction of the solvent present in the solution. Psolution = Xsolvent P°solvent Here, P°solvent is the vapor pressure of pure solvent. Calculate the vapor pressure of a solution which is prepared by dissolving 1.00 mole of glycerol (nonvolatile) and 4.00 moles of water at 25oC. Given: the vapor pressure of water is 25.0 torr at 25oC. Group of answer choices 5.00 torr 20.0 torr 6.25 torr 15.0 torr
Pls answer the second question. Thank you.
A solution is made by dissolving 0.603 mol of nonelectrolyte solute in 885 g of benzene. Calculate the freezing point, T, and boiling point, T,, of the solution. Constants can be found in the table of colligative constants. T = 2.012 °C T = 78 %3D °C