A mixture of N 2, O2 and Ar 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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