Your system contains 100 g of a 50% ethanol 50% water solution. a. What phase is the mixture at room temperature and pressure?

b. What is the boiling temperature of your solution at 1 atm?

c. What is the composition of the liquid and vapor phases in equilibrium with each other at the temperature in part b?

d. Describe the process you would use to increase the concentration of ethanol in your system to 90%. Justify each step.

e. What is the highest purity that you can achieve in terms of percent ethanol with the distillation process?