Henry's law is important in environmental chemistry, where it predicts the distribution of pollutants between water and the atmosphere. The hydrocarbon toluene (C7H8) emitted in wastewater streams, for example, can pass into the air, where it is degraded by processes induced by light from the sun. The Henry's law constant for toluene in water at 25 °C is 347 atm, when the following form of the law is used: Ptoluene = Ktoluene Xtoluene Calculate the partial pressure of toluene vapor in equilibrium with a solution of 1.39 g of toluene per 1220 L of water. How many toluene molecules are present in each cubic centimeter of vapor? Ptoluene atm

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Given the following information, how would you calculate the partial pressure of toluene vapor?

Henry's law is important in environmental chemistry, where it predicts the distribution of pollutants between water and the atmosphere. The hydrocarbon toluene (C7H8)
emitted in wastewater streams, for example, can pass into the air, where it is degraded by processes induced by light from the sun.
The Henry's law constant for toluene in water at 25 °C is 347 atm, when the following form of the law is used:
Ptoluene = Ktoluene Xtoluene
Calculate the partial pressure of toluene vapor in equilibrium with a solution of 1.39 g of toluene per 1220 L of water. How many toluene molecules are present in each
cubic centimeter of vapor?
Ptoluene
atm
Transcribed Image Text:Henry's law is important in environmental chemistry, where it predicts the distribution of pollutants between water and the atmosphere. The hydrocarbon toluene (C7H8) emitted in wastewater streams, for example, can pass into the air, where it is degraded by processes induced by light from the sun. The Henry's law constant for toluene in water at 25 °C is 347 atm, when the following form of the law is used: Ptoluene = Ktoluene Xtoluene Calculate the partial pressure of toluene vapor in equilibrium with a solution of 1.39 g of toluene per 1220 L of water. How many toluene molecules are present in each cubic centimeter of vapor? Ptoluene atm
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