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12 February, 02:19

What mass of CO2 gas occupies a 32.5 dm cubed flask at 32°C in 104.7 KPA pressure

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  1. 12 February, 04:39
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    Mass = 59.4 g

    Explanation:

    Given dа ta:

    Volume of CO₂ = 32.5 dm³

    Temperature = 32°C

    Pressure = 104.7 KPa

    Mass of CO₂ = ?

    Solution:

    32+273 = 305 K

    104.7/101 = 1.04 atm

    PV = nRT

    n = PV/RT

    n = 1.04 atm*32.5 L / 0.0821 atm. L/mol. K*305 K

    n = 33.8 / 25.04 / mol

    n = 1.35

    Mass of CO₂:

    Mass = number of moles * molar mass

    Mass = 1.35 mol * 44 g/mol

    Mass = 59.4 g
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