Chemistry: Atoms First (2nd Edition)

Published by Cengage Learning
ISBN 10: 1305079248
ISBN 13: 978-1-30507-924-3

Chapter 13 - Questions - Page 575a: 20


a. $pH = 3.04$: Acidic. b. $[H^+] > 1.0 \times 10^{-7}M: $ Acidic c. $pOH = 4.51$: Not acidic. d. $[OH^-] = 3.21 \times 10^{-12}M$: Acidic.

Work Step by Step

a. The pH range for acidic is < 7. Since 3.04 < 7, this solution is acidic. b. This is exactly the range for acidic solutions at $25^{\circ}C$. c. The pOH range for acidic is > 7. Since 4.51 < 7, this is not an acidic solution. d. The $[OH^-]$ range for acidic solutions is < $1.0 \times 10^{-7}$; therefore, this is an acidic solution.
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