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chemistry

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the helium in a 1.5L flask at 25degrees celcius exerts a pressure of 56.65kPa. How many moles of helium are in the flask?

  • chemistry -

    Note the correct spelling of celsius.
    Use PV = nRT
    Remember T must be in kelvin.
    If you use P in kPa, R must be 8.314.

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