12- Calculate the pH of a solution that is 0.20 M HOCI and 0.90 M KOCI. In order for this buffer to have pH = pKa, would you add HCl or NaOH? What quantity (moles) of which reagent would you add to 1.0 L of the original buffer so that the resulting solution has pH= pKa?

12- Calculate the pH of a solution that is 0.20 M HOCI and 0.90 M KOCI. In order for this buffer to have pH = pKa, would you add HCl or NaOH? What quantity (moles) of which reagent would you add to 1.0 L of the original buffer so that the resulting solution has pH= pKa?

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter15: Acid-base Equilibria

Section: Chapter Questions

Problem 50E: Calculate the pH of a solution that is 0.20 M HOCl and 0.90 M KOCl. In order for this buffer to have...

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Question

12- Calculate the pH of a solution that is 0.20 M HOCI and 0.90 M KOCI. In order for this buffer
to have pH = pKa, would you add HCl or NaOH? What quantity (moles) of which reagent
would you add to 1.0 L of the original buffer so that the resulting solution has pH= pKa?

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