(c) Pentane, C,H12, and hexane, C,H14, combine to form an ideal solution. At 25°C the vapor pressures of pentane and hexane are 511 and 150 torr, respectively. A solution is prepared by mixing 15.7500-g of pentane with 29.7000-g of hexane. (Atomic mass of H = 1.00 g/mol; C = 12.00 g/mol). (i) What is the vapor pressure of this solution? (ii) What is the mole fraction of pentane in the vapor that is in equilibrium with this solution?

(c) Pentane, C,H12, and hexane, C,H14, combine to form an ideal solution. At 25°C the vapor pressures of pentane and hexane are 511 and 150 torr, respectively. A solution is prepared by mixing 15.7500-g of pentane with 29.7000-g of hexane. (Atomic mass of H = 1.00 g/mol; C = 12.00 g/mol). (i) What is the vapor pressure of this solution? (ii) What is the mole fraction of pentane in the vapor that is in equilibrium with this solution?

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter13: Solutions And Their Behavior

Section: Chapter Questions

Problem 105SCQ

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