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    Exam 11: Gases
  5. Question
    A Mixture of N<sub>2</sub>,O<sub>2</sub> and He Have Mole Fractions of 0.25,0.65,and
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A Mixture of N2,O2 and He Have Mole Fractions of 0.25,0.65,and

Question 72

Question 72

Multiple Choice

A mixture of N2,O2 and He have mole fractions of 0.25,0.65,and 0.10,respectively.What is the pressure of N2 if the total pressure of the mixture is 3.9 atm?


A) 2.5 atm
B) 0.39 atm
C) 0.67 atm
D) 0.98 atm
E) 1.33 atm

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