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March 29, 2017

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calculate the pH of a soln prepared by dissolving 1.5 g of potassium hydroxide in 300.0 ml of soln

  • chemistry - ,

    KOH ==> K^ + OH^-
    moles KOH = grams/molar mass.
    M = moles/L of solution and that will be the molarity of the OH^-.
    Convert to pOH, then to pH.

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