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16 July, 09:20

Calculation of Hydrogen Ion Concentration from pH What is the H1 concentration of a solution with pH of (a) 3.82; (b) 6.52; (c) 11.11?

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  1. 16 July, 09:47
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    a) 1.5 x 10^-4

    b) 3.2 x 10^-2

    c) 7.76 x 10^-12

    Explanation:

    Since pH = - log (H+)

    For A,

    3.82 = - log (H+)

    (H+) = Antilog (-3.82)

    H + = 1.5 x 10^-4

    For B,

    6.52 = - log (H+)

    (H+) = Antilog (-6.52)

    H + = 3.2 x 10^-2

    For C,

    11.11 = - log (H+)

    (H+) = Antilog (-11.11)

    H + = 7.76 x 10^-12

    Thus, the hydrogen ion concentration of a, b and c are 1.5 x 10^-4, 3.2 x 10^-2, and 7.76 x 10^-12 respectively.
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