Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 19 - Acids, Bases, and Salts - 19.5 Salts in Solution - 19.5 Lesson Check: 50

Answer

NH4 + OH- -> NH3 + H2O NH3 + H+ -> NH4+

Work Step by Step

When acid is added, the ammonia, the weak base, will absorb the excess Hydrogen ions in solution. When base is added, the ammonium ion, the salt of the weak base, will absorb the excess hydroxide ions.
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