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March 28, 2017

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what are the concentrations of hydrogen ions and hydroxide ions in a solution that has a oh of 5? *please include work done so I can understand*

  • Chemistry - ,

    pH = 5
    pH + pOH = pKw = 14 from which you can find pOH.
    Then pH = -log(H^+)
    and pOH = -log(OH^-).
    If pH = 5, then H^+ = 1E-5. You get that straight from the calculator.
    If pH = 5, then pOH = 9 and OH^- = 1E-9 (straight from the calculator) but you can do those in your head.

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