General Chemistry (4th Edition)

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: 5


$pH = 1.70$ This solution is acidic.

Work Step by Step

1. Since $HNO_3$ is a strong acid: $Initial[HNO_3] = [H_3O^+] = 0.020M$ 2. Calculate the pH Value. $pH = -log[H_3O^+]$ $pH = -log( 0.020)$ $pH = 1.70$ $pH < 7$ at $25^{\circ}C$: Acidic solution.
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