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Two volatile liquids, bromine and water, form an ideal solution at 25oC with a bromine mole fraction of 0.200. The

vapor above the mixture is collected and analyzed. What is the mole fraction of bromine gas in the vapor phase? Given pure pressure at 25oC for Bromine is 0.301 atm and water is 0.0313 atm

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P X =( XA ) (PA' ) + ( XB ) ( PB )
let A= bromine and B= Hco
pressure of
pressure of
6+ 20
Pressure of bromine= (0. 200) (0. 301 atm) = 0.0602 atm
pressure of Hco - ( 0. 800...

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