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A sample containing 7.60 gas has a volume of 31.0 . Pressure and temperature remain constant.What is the volume after 3.00 is added to the gas already in the container

  • chem -

    are 7.60 and 3.00 in moles? if it is,
    recall the formula relating moles (n) and volume (V), at a constant P and T:
    n1 / V1 = n2 / V2

    plug in the given values to the equation:
    7.60 mol/ 31.0 = (7.60 + 3) mol / V2

    then solve for V2.

    hope this helps. :)

  • chem -

    With no units this is not a problem but just gibberish.

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