The Total Pressure Exerted by a Mixture of O₂, N₂

question 39

Multiple Choice

The total pressure exerted by a mixture of O₂, N₂ and He gases is 3.50 atm. What is the partial pressure in atmospheres of the O₂, given that the partial pressure of N₂ is 1.75 and the partial pressure of He is 0.85 atm?

• A) 0.90 atm
• B) 1.75 atm
• C) 2.60 atm
• D) 4.40 atm
• E) 6.10 atm

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