1.

The molar excess Gibbs free energy, gᴱ, for a binary liquid mixture at T and P is given by, (gᴱ/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

A. A . x₂²
B. Ax₁
C. Ax₂
D. Ax₁²
Answer» B. Ax₁


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