A Gas Mixture Contains O₂, N₂ and Ar at Partial

question 107

Multiple Choice

A gas mixture contains O₂, N₂ and Ar at partial pressures of 125, 250 and 500 mm Hg respectively. If CO₂ gas is added to the mixture until the total pressure reaches 1250 mm Hg, what is the partial pressure of the CO₂ gas in mm Hg?

• A) 375 mm Hg
• B) 1125 mm Hg
• C) 1625 mm Hg
• D) 1875 mm Hg
• E) 2125 mm Hg

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