A 2.50-L flask contains a mixture of methane (CH₄)and propane (C₃H₈)at a pressure of 1.45 atm and 20°C.When this gas mixture is then burned in excess oxygen, 8.60 g of carbon dioxide is formed.(The other product is water.)What is the mole fraction of methane in the original gas mixture? A)0.145 B)0.341 C)0.659 D)0.855 E)1.00

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The Answer of A 2.50-L flask contains a mixture of methane (CH₄)and propane (C₃H₈)at a pressure of 1.45 atm and 20°C.When this gas mixture is then burned in excess oxygen, 8.60 g of carbon dioxide is formed.(The other product is water.)What is the mole fraction of methane in the original gas mixture? A)0.145 B)0.341 C)0.659 D)0.855 E)1.00

A 250-L Flask Contains a Mixture of Methane (CH4)and Propane (C3H8)at

A 250-L Flask Contains a Mixture of Methane (CH₄)and Propane (C₃H₈)at