A Phase Diagram of Temperature Versus Composition for a Mixture

question 8

Multiple Choice

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?

• A)100% decane
• B)composition at point b
• C)composition at point d
• D)composition at point e

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