The Total Pressure Exerted by a Mixture of O₂, N₂

question 127

Multiple Choice

The total pressure exerted by a mixture of O₂, N₂ and He gases equals 10.0 atm. What is the partial pressure of O₂ if the partial pressure of N₂ is 5.0 atm and the partial pressure of He is 3.0 atm?

• A) 0.67 atm
• B) 2.0 atm
• C) 8.0 atm
• D) 12.0 atm
• E) 18.0 atm

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