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a gas solution contains 5 moles H2 and 10 moles of oxygen. what is the mole fraction of hydrogen and oxygenin the solution formed?

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    "in the solution formed" sounds as if the two gases react to form H2O and you want the mole fraction of the H2 and O2 left after the reaction. Is that your understanding or do you want the mole fraction of the 5 and 10 moles of each gas with no reaction.

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