A solution which is composed of heptane (C-H16, 100.198 g mol"") and octane (CH43, 114.224 g mol-) has vapor pressure of 78 torr at 40 °C. The saturated vapor at equilibrium with the solution contains 16.55 g heptane and 22.15 g octane. The vapor pressures of pure heptane and pure octane at 40 °C were 92.0 Torr and 31.2 Torr, respectively. What is the mole percent of CH18 in the initial solution? Do not write units, only enter numerical values. Use two digits at most for decimal numbers, use dot (.) as decimal separator (i.e. two-point-fifty-one should be entered as 2.51). Do not use comma (,) as decimal separator.

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A solution which is composed of heptane (C-H16, 100.198 g mol") and octane (CH13, 114.224 g mol-) has vapor pressure of 78 torr at 40 °C. The saturated vapor at equilibrium with the solution
contains 16.55 g heptane and 22.15 g octane. The vapor pressures of pure heptane and pure octane at 40 °C were 92.0 Torr and 31.2 Torr, respectively. What is the mole percent of C3H;3 in the
initial solution?
Do not write units, only enter numerical values.
Use two digits at most for decimal numbers, use dot (.) as decimal separator
(i.e. two-point-fifty-one should be entered as 2.51). Do not use comma () as decimal separator.
Transcribed Image Text:A solution which is composed of heptane (C-H16, 100.198 g mol") and octane (CH13, 114.224 g mol-) has vapor pressure of 78 torr at 40 °C. The saturated vapor at equilibrium with the solution contains 16.55 g heptane and 22.15 g octane. The vapor pressures of pure heptane and pure octane at 40 °C were 92.0 Torr and 31.2 Torr, respectively. What is the mole percent of C3H;3 in the initial solution? Do not write units, only enter numerical values. Use two digits at most for decimal numbers, use dot (.) as decimal separator (i.e. two-point-fifty-one should be entered as 2.51). Do not use comma () as decimal separator.
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