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22 December, 21:56

a cylinder of argon gas contains 50.0 l of ar at 18.4 atm and 127 Celsuis. How many grams are in the cylinder?

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  1. 22 December, 23:00
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    11 grams of argon gas

    Explanation:

    PV = nRT

    P = 18.4 atm

    V = 50 L

    n = find moles then use molar mass to convert to grams

    R = atm gas constant = 8.314

    T = IN Kelvins* * = 127 C + 273 = 400 K

    molar mass of Ar = 40g / mol

    18.4 (50) = 8.314 (400) n

    n =.276 mol Ar

    .276 (40) = 11 grams of Argon Gas
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