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: 2.61b

Answer

$K_{2}CO_{3}$

Work Step by Step

An ionic compound will always have a neutral charge. The problem states that Carbonate ($(CO_{3})$) has a charge of -2 while a Potassium (K+) ion will have a charge of +1. To cancel out the -2 charge of Carbonate, there must be two Potassium ions, hence making the ionic compound formed between these two ions $K_{2}(CO_{3})$.
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