How do you calculate Gibbs free energy of mixing?

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Solution

We can calculate the Gibbs free energy of mixing using the following formula:

$Δ_{m i x} G = n R T (X_{1} l n X_{1} + X_{2} l n X_{2})$

where, $X_{1} a n d X_{2}$ are the mole fractions ranging from 0 to 1 and n is the total number of moles

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