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9 November, 07:49

What does the pH of a solution measure?

O A. Color

O B. Volume

O c. Temperature

O D. Acidity

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Answers (1)
  1. 9 November, 11:21
    0
    D is the correct answer acidity

    Explanation:

    pH is the logarithmic measurement of the H3O+-concentration in water solutions.

    By definition: pH = - log[H3O+]

    Example: [H3O+] = 1.0*10-7 mol/L in neutral, pure water (at 25oC), so

    pH = - log (H3O+) = - log (1.0*10-7) = 7.0
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