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The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 248 mm Hg, 707 mm Hg, and 518 mm Hg, respectively. What is the mole fraction of Nitrogen gas?
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The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 248 mm Hg, 707 mm Hg, and 518 mm Hg, respectively. What is the mole fraction of Nitrogen gas?

User Kang
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1 Answer

4 votes

total pressure=248+707+518=1473mmHg

partial pressure=total pressure×mole fraction

mole fraction of N2

=partial pressure of N2/total pressure

=707mmHg/1473mmHg

=0.4800

User Drew Hall
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