A mixture of carbon dioxide and argon gases, at a total pressure of 632 mm Hg, contains 4.89 grams of carbon dioxide and 6.13 grams of argon. What is the partial pressure of each gas in the mixture? Pco2 mm Hg Par = mm Hg A mixture of xenon and helium gases contains xenon at a partial pressure of 361 mm Hg and helium at a partial pressure of 257 mm Hg. What is the mole fraction of each gas in the mixture? = Xxe Xhe A mixture of neon and methane gases at a total pressure of 630 mm Hg contains neon at a partial pressure of 350 mm Hg. If the gas mixture contains 3.00 grams of neon, how many grams of methane are present? g CH4