Two Gases, O₂ and CO₂, with Molar Masses of 32

question 24

Multiple Choice

Two gases, O₂ and CO₂, with molar masses of 32 g/mol and 44 g/mol respectively, are in a closed vessel separated by an impermeable membrane into two equal sub-volumes. If both the temperatures and the densities of each gas are the same, what is the ratio of the O₂ to CO₂ pressures exerted on the membrane?

• A)0.7
• B)1.0
• C)1.4
• D)2.8

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