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24 December, 01:31

How many moles of oxygen will occupy a volume of 2.50 at 1.20 atm and 25.0 c?

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  1. 24 December, 02:30
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    The number of mol of oxygen is 0, 123

    Explanation:

    We use the formula PV=nRT. We convert the temperature in Celsius into Kelvin. 0°C=273 K---> 25°C=273+25 = 298K

    PV=nRT---> n = (PV) / (RT)

    n = (1,20 atm x2,50 L) / (0,082 l atm / K mol x 298K)

    n=0,122769684 mol
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