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22 February, 15:46

A 50 L cylinder is filled with argon gas to a pressure of 10130.0 kPa at 300°C. How many moles of argon gas does the cylinder contain? (Given: R = 8.314 L∙kPa/K∙mol) 2519.142 mol

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  1. 22 February, 16:48
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    To answer this question, we will use the general gas law which states that:

    PV = nRT where:

    P is the pressure of the gas = 10130.0 kPa

    V is the volume of the gas = 50 liters

    n is the number of moles that we want to calculate

    R is the gas constant = 8.314 L∙kPa/K∙mol

    T is the temperature = 300+273 = 573 degree kelvin

    Substitute with the givens in the equation to get the number of moles as follows:

    10130 * 50 = n * 8.314 * 573

    506500 = 4763.922 n

    n = 506500 / 4763.922

    n = 106.3199 moles
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