## Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning

# Chapter 2 - Chemical Compounds - Questions for Review and Thought - Topical Questions - Page 90b: 45c

#### Answer

$Mg(ClO_4)_2$

#### Work Step by Step

We know that $ClO_4$ has a -1 charge and that Mg has a +2 charge. Thus, to write the formula for the compound, pick the smallest ratio of the cation and the anion that will make the overall molecule neutral.

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