If 12.0 g of CO2 gas has a volume of 0.11 L at 345 K , what is its pressure in millimeters of mercury?

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  • 2 months ago

    The molar mass of CO2 is 44.0, so the number of moles is 0.27273.

    p = nRT/V

    = (0.27273)(8.314 Pa*m^3/molK)(345K) /

    (0.00011 m^3)

    = around 7000000 Pa, but use a calculator.

    Then convert to mmHg (1 mmHg = 133.32 Pa)

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