Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 77: 2.75c

Answer

Phosphoric acid.

Work Step by Step

Phosphate ion $PO_{4}^{3-}$ has a -3 charge. In order to balance it, 3 atoms of hydrogen ions are required since hydrogen ion has a +1 charge. The chemical formula will be $H_{3}PO_{4}$. The name of this acid is phosphoric acid.
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