A phase diagram of temperature versus composition for a mixture of the two volatile liquids octane (bp = 
and decane (bp = 126°C) is shown. 
-Assume that the vapor at point c is condensed and reboiled.What is the liquid composition of the condensed vapor prior to reboiling?
Definitions:
Methanol
A simple alcohol with the formula CH3OH, known for being a volatile, colorless, and flammable liquid.
Base
A substance that can accept protons or release hydroxide ions in aqueous solutions.
pKa
A quantitative measurement that describes the acidity of a substance, specifically the negative log of the acid dissociation constant (Ka).
Acid Strength
A measure of the propensity of a compound to donate a proton (H+) in an aqueous solution, often quantified by the acid dissociation constant (Ka).
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