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Chemistry

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Calculate the pressure in an evacuated 250. mL container at 0.00 degrees C if 3.20 cm^3 of liquid oxygen evaporates. Assume that the liquid oxygen has a density of 1.118 g/cm^3

I understand that the density and volume can be used to find the mass in grams. However, I'm confused about how the 3.20 cm^3 of oxygen that evaporates translates into the problem. Thanks in advance!

  • Chemistry -

    1.118 g/cc x 3.20 cc = ?grams O2.
    ?grams O2/molar mass O2 = n O2.
    Then use n in PV = nRT and solve for P.

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