Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 19 - Acids, Bases, and Salts - 19 Assessment: 108

Answer

pH + pOH = 14

Work Step by Step

To prove the relationship, use the hint given which provides us the first statement of the proof, the ion product constant of water is the PRODUCT of the hydrogen and hydroxide ion concentrations. Knowing that pH and pOH is the negative logarithms of the hydrogen ion and hydroxide ion concentrations, take the logarithms of each side.
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