-What is the mole fraction of Nitrogen?
A. 0.056
B. 0.167
C. 0.667
D. 0.611
E. 0.733

-What is the mole fraction of carbon dioxide
A. 0.056
B. 0.067
C. 0.256
D. 0.667
E. 0.757

-What is the mole fraction of Oxygen?
A. 0.167
B. 0.267
C. 0.278
D. 0.467
E. 0.578