A binary mixture of two similar liquids are miscible in all proportions over a wide range of temperature. At a

wide range of temperatures, the vapor pressure ratio, $\frac{P_1^{***}}{P_2^{***}}=1\mathrm{.}396.$ The vapor phase is considered ideal.

Given $g^E=A(x_1,x_2),$ where $A=$ constant and a function of temperature only.

Assuming this solution has an azeotrope, Find the range of A values displaying azeotropy? Use Raoult's Law

for ChE's.

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