Calculate the hydroxide ion concentration in an aqueous solution with a poh of 9.85 at 25°c.

Question

Calculate the hydroxide ion concentration in an aqueous solution with a poh of 9.85 at 25°c.

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2022-05-13T02:43:42+00:00 2 Answers 0

Answers ( 2 )

  1. Gabriella
    0
    2022-05-13T02:44:44+00:00

    The hydrogen ion concentration is calculated as follows

    Ph + POh =14
    ph= 14-9.85= 4.15

    anti -H+

    =anti (-4.15) = 7.07 x10^-5 moles per liter

  2. Iris
    0
    2022-05-13T02:45:26+00:00

    Answer: The hydroxide ion concentration in aqueous solution is [tex]1.412times 10^{-10}M[/tex]

    Explanation:

    To calculate the hydroxide ion concentration, we use the equation:

    [tex]pOH=-log[OH^-][/tex]

    We are given:

    pOH = 9.85

    Putting values in above equation, we get:

    [tex]9.85=-log[OH^-][/tex]

    [tex][OH^-]=10^{-9.85}=1.412times 10^{-10}M[/tex]

    Hence, the hydroxide ion concentration in aqueous solution is [tex]1.412times 10^{-10}M[/tex]

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