The Gibbs free energy of mixing is denoted as $\Delta \mathrm{G}_{\text {max }}$. 1.0 mole of He, 3.0 moles of Ne and 2.0 moles of Ar are mixed at the same pressure and temperature. Assuming ideal gas behavior, the value of $\Delta \mathrm{G}_{\text {max }} / \mathrm{RT}$ is ____ (up to two decimal places)
Answer
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