Question

(a) Given that the mass density of air at 0.987 bar and 27 °C is 1.146 kg m−3, calculate the mole fraction and partial pressure of nitrogen and oxygen assuming that (i) air consists only of these two gases, (ii) air also contains 1.0 mole per cent Ar.

(b) A gas mixture consists of 320 mg of methane, 175 mg of argon, and 225 mg of neon. e partial pressure of neon at 300 K is 8.87 kPa. Calculate (i) the volume and (ii) the total pressure of the mixture.

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Inorganic Chemistry

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