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25 July, 22:56

A gas has a volume of 27.5 L at 302 K and 1.40 atm. How many moles are in the sample of gas?

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  1. 25 July, 23:13
    0
    1.55 mol

    Step-by-step explanation:

    We can use the Ideal Gas Law to solve this problem.

    pV = nRT Divide both sides by RT

    n = (pV) / (RT)

    dа ta:

    p = 1.40 atm

    V = 27.5 L

    R = 0.082 06 L·atm·K⁻¹mol⁻¹

    T = 302 K

    Calculations:

    n = (1.40 * 27.5) / (0.082 06 * 302)

    = 1.55 mol
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