Answer
$[H_3O^+] = 1.585 \times 10^{- 7}M$
Work Step by Step
We use the pH to find:
$[H_3O^+] = 10^{-pH}$
$[H_3O^+] = 10^{- 6.8}$
$[H_3O^+] = 1.585 \times 10^{- 7}M$
General Chemistry (4th Edition)
by McQuarrie, Donald A.
Published by
University Science Books
ISBN 10:
1891389602
ISBN 13:
978-1-89138-960-3
Chapter 20 The Properties of Acids and Bases - Problems - Page 770: 11
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