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: 2.64

Answer

The table is attached below.
1562481028

Work Step by Step

In order to fill this table, we have to balance charges on anions and cations. For example: $Na^{+}$ and $NO_{3}^ {-}$, The charges are balanced so the chemical formula will be $NaNO_{3}$ For $Ca^{+2}$ and $NO_{3}^ {-}$, We need two ions of $NO_{3}^ {-}$, thus the chemical formula will be $Ca(NO_{3})_{2}$ For $Fe^{2+}$ and $AsO_{4}^{3-}$, We need three ions of $Fe^{2+}$ ( $3×+2=+6$ ) and two ions of $AsO_{4}^{3-}$ ($2×−3=−6$ ). Thus the chemical formula will be $Fe_{3}(AsO_{4})_{2}$. The rest of the table is filled in this way.
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