Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 6 - Logarithmic Functions - 6.6 Solving Logarithmic Equations - 6.6 Exercises: 19

Answer

The $pH$ of the mouthwash is $= 7$.

Work Step by Step

$pH = -\log [H^{+}]$ $pH = -\log [H^{+}]$ $= -\log (1.0 \times 10^{-7} M)$ $= 7$
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