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13 July, 11:44

Calculate the pH of hydronium ions in a 0.000 01 M solution of the strong acid HI.

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  1. 13 July, 11:45
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    pH = 5

    Explanation:

    We are given;

    Concentration of a solution HI as 0.00001 M

    We are required to calculate the pH of Hydronium ions.

    When the acid dissociates in water to;

    HI + H₂O → H₃O⁺ (aq) + I⁻ (aq)

    Therefore; The concentration of H₃O⁺ ions is 0.00001 M / We need to know that pH = - log[H₃O⁺]

    Therefore;

    pH = -log 0.00001 M

    = 5

    Thus, the pH of the hydronium ions is 5
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