Question

A phase diagram of temperature versus composition for a mixture of the two volatile liquids octane (bp = and decane (bp = 126C) is shown.

Assume that you start with a mixture containing 0.80 mol of decane and 0.20 mol of octane, what region of the diagram corresponds to liquid?
A) region a
B) region b
C) region c
D) regions a and c

Answer

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