The vapor pressure of a volatile liquid can be determined by slowly bubbling a known volume of gas through it at a known temperature and pressure. In an experiment, 5.00 L of N2 gas is passed through 7.2146 g of liquid benzene (C6H6) at 26.0 °C. The liquid remaining after the experiment weighs 5.1493 g. Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr?

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coffeegoldfish924Lv1

27 Mar 2020

The vapor pressure of a volatile liquid can be determined by slowly bubbling a known volume of gas through it at a known temperature and pressure. In an experiment, 5.00 L of N₂ gas is passed through 7.2146 g of liquid benzene (C₆H₆) at 26.0 °C. The liquid remaining after the experiment weighs 5.1493 g. Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr?

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Trinidad TremblayLv2

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The vapor pressure of a volatile liquid can be determined by slowly bubbling a known volume of gas through it at a known temperature and pressure. In an experiment, 5.57 {\rm L} of {\rm{N}}_2 gas is passed through 7.2394 {\rm g} of liquid benzene, {\rm{C}}_6 {\rm{H}}_6, at 20.5^\circ {\rm C} and atmospheric pressure. The liquid remaining after the experiment weighs 5.2651 {\rm g}. Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr?

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Dry nitrogen gas is bubbled through liquid benzene (C₆H₆) at 20^oC. From 100.0 L of the gaseous mixture of nitrogen and benzene, 24.7 g of benzene is condensed by passing the mixture through a trap at a temperature where nitrogen is gaseous and the vapor pressure of benzene is negligible. What is the vapor pressure of benzene at 20.0^oC? What is the pressure of dry nitrogen gas?