### Explain what is the entropy of a mixture

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Explain what is the entropy of a mixture made up of 2.4 moles of O2 as well as 9.2 moles of N2 at the same temperature and pressure? The absolute molar entropies of O2 and N2 are 205 J/K.mol as well as 192 J/K.mol respectively at 25 C

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