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A sample of a saturated hydrocarbon is placed in a 1.0L vessel at 107oC. The pressure...

A sample of a saturated hydrocarbon is placed in a 1.0L vessel at 107oC. The pressure of the sample at these conditions is .40 atm. A stoichiometrically equivalent amount of oxygen is added to the vessel and the mixture is combusted. Following combustion, the pressure in the vessel is 5.19 atm at 107oC. Assume all of the products are gases. What is the formula of the hydrocarbon? How many mols of oxygen were added to the container?

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