A Gas Mixture Has Partial Pressures of 120 Torr N₂

question 2

Multiple Choice

A gas mixture has partial pressures of 120 torr N₂, 350 torr Ar, and 480 torr SF₆. What is the mole fraction of sulfur hexafluoride in the mixture?

• A)0.13
• B)0.37
• C)0.45
• D)0.51
• E)0.55

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