Multiple Choice
A tank holds a mixture of argon and helium gases. If the partial pressure of oxygen is 3.3 atm and the total pressure of the mixture is 15 atm; what is the mole fraction of helium gas?
A) 0.78
B) 0.18
C) 0.28
D) 0.64
E) 0.81
Correct Answer:
Verified
Correct Answer:
Verified
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