A Gaseous Mixture at a Total Pressure of 1

question 26

Multiple Choice

A gaseous mixture at a total pressure of 1.50 atm contains equal molar amounts of He, Ne, and Ar. At constant temperature CO₂ gas is added to the mixture until the total pressure is 3.00 atm. Which of the following is a correct statement concerning partial pressures after the CO₂ addition?

• A) The partial pressure of Ar has doubled.
• B) The partial pressure of CO₂ is three times that of Ne.
• C) All four gases have equal partial pressures.
• D) More than one correct response.
• E) No correct response.

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