Answer
$pH = 12.60$
Work Step by Step
- $NaOH$ is a strong base, therefore: $[OH^-] = [NaOH] = 0.040M$
$pOH = -log[OH^-]$
$pOH = -log( 0.04)$
$pOH = 1.40$
$pH + pOH = 14$
$pH + 1.40 = 14$
$pH = 12.60$
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 14 - Acids and Bases - Problem Solving Practice 14.4 - Page 618: a
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