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11 June, 12:56

A sample of oxygen has a volume of 128 milliliter at a pressure of 500.0 mmhg calculate the volume this sample would occupy at standard pessure

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  1. 11 June, 14:06
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    84.2mL

    Explanation:

    The following data were obtained from the question:

    Initial volume (V1) = 128mL

    Initial pressure (P1) = 500mmHg

    Final pressure (P2) = stp = 760mmHg

    Final volume (V2) = ... ?

    Thus, the new volume of the gas can be obtained by using the Boyle's law equation as follow:

    P1V1 = P2V2

    500 x 128 = 760 x V2

    Divide both side by 760

    V2 = (500 x 128) / 760

    V2 = 84.2mL

    Therefore, the new volume of the gas is 84.2mL
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