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8 November, 20:10

How many moles of a gas will occupy 2.50L at STP

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  1. 8 November, 23:48
    0
    n = 0.112 mol

    Explanation:

    Given dа ta:

    Volume of gas = 2.50 L

    Temperature = 273 K

    Pressure = 1 atm

    Moles of gas = ?

    Solution:

    PV = nRT

    n = PV/RT

    n = 1 atm * 2.50 L / 0.0821 atm. L. K⁻¹. mol⁻¹. 273 K

    n = 2.5 atm. L / 22.4 atm. L. mol⁻¹

    n = 0.112 mol
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