Pentane (C5H12) and hexane (C6H14) form ideal solution. At 25oC the vapor pressure of pentane and hexane are 511 torr and 150. torr, respectively. A solution is prepared by mixing 30.0mL pentane (density = 0.63g/mL) with 45.0mL hexane (density = 0.66 g/mL). (a) What are the mole fractions of pentane and hexane, respectively,in the solution? (b) What isthe total vapor pressure of the solution at 25oC? (c) What are the mole percent of pentane and hexane, respectively, in the vapor phase at 25oC? (Molar mass of pentane and hexane are: 72.15 g/mol and 86.17 g/mol, respectively.)
Pentane (C5H12) and hexane (C6H14) form ideal solution. At 25oC the vapor pressure of pentane and hexane are 511 torr and 150. torr, respectively. A solution is prepared by mixing 30.0mL pentane (density = 0.63g/mL) with 45.0mL hexane (density = 0.66 g/mL). (a) What are the mole fractions of pentane and hexane, respectively,in the solution? (b) What isthe total vapor pressure of the solution at 25oC? (c) What are the mole percent of pentane and hexane, respectively, in the vapor phase at 25oC? (Molar mass of pentane and hexane are: 72.15 g/mol and 86.17 g/mol, respectively.)
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...
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Pentane (C5H12) and hexane (C6H14) form ideal solution. At 25oC the vapor pressure of pentane and hexane are 511 torr and 150. torr, respectively. A solution is prepared by mixing 30.0mL pentane (density = 0.63g/mL) with 45.0mL hexane (density = 0.66 g/mL).
(a) What are the mole fractions of pentane and hexane, respectively,in the solution?
(b) What isthe total vapor pressure of the solution at 25oC?
(c) What are the mole percent of pentane and hexane, respectively, in the vapor phase at 25oC?
(Molar mass of pentane and hexane are: 72.15 g/mol and 86.17 g/mol, respectively.)
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