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2 January, 15:07

The gaseous product of a reaction is collected in a 25.0-l container at 27

c. the pressure in the container is 300.0 kpa and the gas has a mass of 96.0 g. how many moles of the gas are in the container?

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  1. 2 January, 15:33
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    To find the number of moles of gas we can use the ideal gas law equation, we dont need to use the mass of gas given as we only have to find the number of moles

    PV = nRT

    P - pressure - 300.0 kPa

    V - volume - 25.0 x 10⁻³ m³

    n - number of moles

    R - universal gas constant - 8.314 Jmol⁻¹K⁻¹

    T - temperature in Kelvin - 27 °C + 273 = 300 K

    substituting these values in the equation

    300.0 kPa x 25.0 x 10⁻³ m³ = n x 8.314 Jmol⁻¹K⁻¹ x 300 K

    n = 3.01 mol

    number of mols of gas - 3.01 mol
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