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29 August, 08:49

Calculate the pH of a solution that contains 2.4 * 10 - 5 M H 3O at 25°C. 9.38 11.60 4.62 4.17 2.40

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Answers (2)
  1. 29 August, 11:22
    0
    4.62.

    Explanation:

    pH = - log (H + concentration)

    = - log (2.4*10^-5)

    = - (-4.6197)

    = 4.62.
  2. 29 August, 12:00
    0
    4.62

    Explanation:

    Using the equation - log[H3O+] = pH,

    -log (2.4 x 10^-5) = 4.62
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