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21 October, 19:15

The partial pressure of nitrogen in air is 592 torr. Air pressure is 752 torr, what is the mole fraction of nitrogen?

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  1. 21 October, 19:17
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    The mol fraction of nitrogen is 0.787

    Explanation:

    Step 1: Data given

    Partial pressure of nitrogen = 592 torr

    Air pressure = 752 torr

    Step 2: Calculate mol fraction

    P1/PT = n1/nT = mol fraction

    ⇒ P1 = the partial pressure of nitrogen = 592 torr

    ⇒ PT = The total pressure = air pressure = 752 torr

    ⇒ n1 = number of mol of nitrogen

    ⇒ nT = Total number of mol

    Mol fraction of nitrogen in air = 592/752 = 0.787

    The mol fraction of nitrogen is 0.787
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