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Determine the pressure in a 125-L tank containing 56.2 kg of oxygen gas at 25 °C.

So, PV=nRT

I convert 25 °C to 298.15 K
Do I have to convert anything else?
What else do I do?

  • Chemistry -

    Convert 56.2 kg oxygen to moles = n.
    n = grams (not kg)/molar mass.

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