MCAT Question of the Day
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    Q:

    		 A porous balloon allowing gas exchange is filled with an equal molar amount of hydrogen gas and oxygen. Which of the following statements is true after after some time?
    		 

    A

    		 The mole fraction of hydrogen in the balloon is greater than 0.5

    B

    		 Oxygen leaves the hole at a faster rate than hydrogen

    C

    		 The mole fraction of hydrogen outside of the balloon is greater than 0.5

    D

    		 The mole fraction of oxygen in the balloon is greater than 0.5



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