a mixture of carbon dioxide and krypton gases contains carbon dioxide at a partial pressure of 455 mm Hg and krypton at a partial pressure of 404 mm Hg. what is the mole fraction of each gas in the mixture
Total pressure = p(CO2) + p(Kr)
= 455 mmHg + 404 mmHg
= 859 mmHg
Use:
X(CO2) = p(CO2) / total pressure
= 455 / 859
= 0.530
Use:
X(Kr) = 1 - X(CO2)
= 1 - 0.530
= 0.470
Answer:
0.530
0.470
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