In a Gas Mixture of He, Ne, and Ar with a Total

question 52

Multiple Choice

In a gas mixture of He, Ne, and Ar with a total pressure of 8.40 atm, the mole fraction of Ar is ________ if the partial pressures of He and Ne are 1.50 and 2.00 atm, respectively.

• A)0.179
• B)0.238
• C)0.357
• D)0.583
• E)0.417

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