Chemistry, 22.02.2021 19:00 murtaghliam1

A solution of pentane and ethanol (CH3CH2OH) that is 75% pentane by mass is boiling at 46.5 Â°C. The vapor is collected and cooled until it condenses to form a new solution. Calculate the percent by mass of pentane in the new solution. Normal boiling point Density Vapour pressure at 46.5Â°C
Pentane 36 0.63g/mol 1050 torr
Ethanol 78 0.79g/mol 204 torr

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A solution of pentane and ethanol (CH3CH2OH) that is 75% pentane by mass is boiling at 46.5 Â°C. The...