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Chemistry

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If there are 5 liters of oxygen gas (O2) at 300 K and 400 torr, what will it weigh?
Answer in units of g.

Do I use the Ideal gas law formula for this problem?

  • Chemistry -

    Yes, use PV = nRT and solve for n, then
    n = grams/molar mass and solve for grams.

  • Chemistry -

    When I use this formula do I have to convert torr to atm and mL to L?

  • Chemistry -

    I got around 5.48g...
    I think it's wrong

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