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A solution with pH = 4 has

1. relatively high concentration of OH-

2. relatively low concentration of H3O+

3. relatively high concentration of H3O+

4. zero concentration of OH-

  • Chemistry -

    pH = 4 has (H^+) = 1E-4.
    Then (H^+)(OH^-) = 1E-14
    So if (H^+) = 1E-4, then (OH^-) must be 1E-10.

  • Chemistry -

    I am still lost? What is the answer 1, 2, 3 or 4?

  • Chemistry -

    If I told you that (H^+) = (OH^-) = 1E-7M in pure water, and that in this solution H^+ = 1E-4 and OH^- = 1E-10, then how would you classify (H^+) and (OH^-); i.e., are they relatively large or relatively small.

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