Microbiology: An Introduction, 11th Edition

Published by Benjamin Cummings
ISBN 10: 0321733606
ISBN 13: 978-0-32173-360-3

Chapter 2 - Chemical Principles - Study Questions - Critical Thinking - Page 52: 1b

Answer

It is an acid.

Work Step by Step

We see that when the molecule dissociates, $H^+$ is formed. Since a solution is more acidic the more $H^+$ is has, we see that reaction B tells us that the original molecule is an acid.
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