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: 2.63


The table is attached below.

Work Step by Step

In order to fill this table, we have to balance charges on anions and cations. For example: For $K^{+}$ and $OH^{-}$ the charges are balanced. Thus, the chemical formula is $KOH$ For $K^{+}$ and $CO_{3}^ {2-}$. We need to balance charges. Therefore, we need two atoms of $K^{+}$ Ions. Thus, the chemical formula is $K_{2}CO_{3}$ For $Mg^{2-}$ and $PO_{4}^{3-}$, we need three ions of $Mg^{2-}$ ($3\times +2 = +6$) and two ions of $PO_{4}^{3-}$ ($ 2 \times -3 = -6 $) The rest of the table is filled in this way.
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