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29 December, 03:47

A container has a total pressure of 1439 mmHg. There are 3 gases in this container, one has a pressure of 523.3 mm Hg, and another has a pressure of 509.8 mm Hg. What is the pressure of the 3rd gas?

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  1. 29 December, 04:09
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    P₃ = 594.1 mmHg

    Explanation:

    Given dа ta:

    Total pressure of container = 1439 mmHg

    Partial pressure of 1st gas = 523.3 mmHg

    Partial pressure of 2nd gas = 509.8 mmHg

    Partial pressure of 3rd gas = ?

    Solution:

    According to Dalton law of partial pressure,

    The total pressure inside container is equal to the sum of partial pressures of individual gases present in container.

    Mathematical expression:

    P (total) = P₁ + P₂ + P₃ + ... + Pₙ

    Now we will solve this problem by using this law.

    P (total) = P₁ + P₂ + P₃

    439 mmHg = 523.3 mmHg + 509.8 mmHg + P₃

    439 mmHg = 1033.1 mmHg + P₃

    P₃ = 1033.1 mmHg - 439 mmHg

    P₃ = 594.1 mmHg
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