Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 14 - Acids and Bases - Exercises - Questions - Page 520: 26

Answer

pH and pOH of any solution will always add up to 14 at room temperature. This is because, while pH measures the acidity of a solution, its counterpart pOH measures the alkalinity that is not accounted for by the pOH. Since the pH and pOH values of a neutral solution is 7, one can deduce that adding up the two quantities will yield 14.

Work Step by Step

pH and pOH of any solution will always add up to 14 at room temperature. This is because, while pH measures the acidity of a solution, its counterpart pOH measures the alkalinity that is not accounted for by the pOH. Since the pH and pOH values of a neutral solution is 7, one can deduce that adding up the two quantities will yield 14.
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