Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.200 mol of liquid dibromoethane (C2H4Br2, P° = 127 torr) in 1.80 mol of liquid dibromopropane (C3H6Br2, P° = 173 torr).

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Chapter7: Solutions And Colloids
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Problem 7.73E
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Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.200 mol of liquid dibromoethane (C2H4Br2P° = 127 torr) in 1.80 mol of liquid dibromopropane (C3H6Br2P° = 173 torr).

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The vapor pressure of a solution at certain temperature is equal to the sum of vapor pressure of solute and vapor pressure of solvent. Here in this solution solute is 0.200 mol of liquid dibromoethene (C2H4Br2) and solvent is 1.80 mol of liquid dibromopropane(C3H6Br2).

 

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