(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
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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vapor pressure, mole fraction.
Transcribed Image Text:PROBLEM 5 (Continued)
NAME: Casidy Tal
(c) Pentane, CH12, 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?
(d)
hexane were 40 "units" at 2.6 minutes elution and 75 "units" at 3.6 minutes respectively. What was
the composition of the mixture?
The areas under the peaks on a gas chromatogram for a mixture of pentane and
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