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3 December, 05:55

The pH level of tomato juice is 4.2. What is the hydrogen-ion concentration [H+] for tomato juice? A. 0.0004 B. 0.0006 C. 0.00004 D. 0.00006

Answers (2)
  1. 3 December, 06:11
    0
    PH = 4.2

    [H+] = 10 ^ - pH

    [H+] = 10 ^ - 4.2

    [H+] = 0.00006 M

    Answer D
  2. 3 December, 06:14
    0
    The pH of a solution is related to the hydrogen ion concentration in a logarithmic function which is expressed as:

    pH = - log[H+]

    4.2 = - log [H+]

    [H+] = 6.31 x 10^-5 M

    Therefore, the correct answer from the choices listed above is option D, 0.00006 M.
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