A Mixture of Ar,Ne and He Has a Pressure of 7.85

question 108

Multiple Choice

A mixture of Ar,Ne and He has a pressure of 7.85 atm.If the Ne has a mole fraction of 0.47 and He has a mole fraction of 0.23,what is the pressure of Ar?

• A) 4.2 atm
• B) 3.7 atm
• C) 1.8 atm
• D) 5.5 atm
• E) 2.4 atm

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