The Partial Pressures of CH₄,N₂,and O₂ in a Sample of Gas

question 78

Multiple Choice

The partial pressures of CH₄,N₂,and O₂ in a sample of gas were found to be 143 mmHg,469 mmHg,and 251 mmHg,respectively.Calculate the mole fraction of oxygen.

• A)0.410
• B)0.291
• C)2.44
• D)22.4

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