Show that for an ideal gas mixture maintained at a constant temperature and pressure, the molar concentration C of the mixture remains constant, but this is not necessarily the case for the density ? of the mixture.

What will be an ideal response?


The ideal gas relation can be expressed as where Ru is the universal gas constant, whose value is the same for all gases, and R is the gas constant whose value is different for different gases. The molar and mass densities of an ideal gas mixture can be expressed as



Therefore, for an ideal gas mixture maintained at a constant temperature and pressure, the molar concentration C of the mixture remains constant but this is not necessarily the case for the density ? of mixture.

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What will be an ideal response?

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