Pure benzene, C,H6, freezes at 5.5°C and boils at 80.1°C. What is theboiling point ofa solution consisting of cyclohexane (C,H12) dissolved inbenzene if the freezing point of this solution is 0.0°C? (For benzene, Kf5.12 °C/m, Kp = 2.53 °C/m; for cyclohexane, Kf = 20.0 °C/m, K, =%3D%3D%3D2.79°C/m)91.2°C77.4°C75.3°C82.8°C

elevation in boiling point when a volatile solvent is added to a pure solvent then the boiling point…

Answered: Pure benzene, C6H6, freezes at 5.5°C…

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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A solution is made by dissolving 0.455 g of PbBr2 in 100 g of H2O at 50C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentrated
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The freezing point of a 0.21 m aqueous solution of H2SO4 is -0.796C. (a) What is i? (b) Is the solution made up primarily of (i) H2SO4 molecules only? (ii) H+ and HSO4- ions? (iii) 2H+ and 1SO42- ions?
6-113 List the following aqueous solutions in order of decreasing freezing point: 0.040 M glycerin (C3H8O3) 0.025 M NaBr, and 0.015 M AI(NO3)3 Assume complete dissociation of any salts.
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The vapor pressures of several solutions of water-propanol (CH3CH2CH2OH) were determined at various compositions, with the following data collected at 45C: H2O Vapor pressure(torr) 0 74.0 0.15 77.3 0.37 80.2 0.54 81.6 0.69 80.6 0.83 78.2 1.00 71.9 a. Are solutions of water and propanol ideal? Explain. b. Predict the sign of Hsoln for water-propanol solutions. c. Are the interactive forces between propanol and water molecules weaker than, stronger than, or equal to the interactive forces between the pure substances? Explain. d. Which of the solutions in the data would have the lowest normal boiling point?
6-68 If we add 175 g of ethylene glycol, C2H6O2, per 1000. g of water to a car radiator, what will be the freezing point of the solution?

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Pure benzene, C6H6, freezes at 5.5°C and boils at 80.1°C. What is the boiling point of a solution consisting of cyclohexane (C,H12) dissolved in benzene if the freezing point of this solution is 0.0°C? (For benzene, K