At 338 mm Hg and 72 ∘C, a sample of carbon monoxide gas occupies a volume of 0.225 L. The gas is transferred to a 1.50−L flask and the temperature is reduced to −15 ∘C. What is the pressure of the gas in the flask? 37.9 mm Hg 67.8 mm Hg 5.48 ′ 10 4 mm Hg 3.018 ′ 10 3 mm Hg 8.91 mm Hg