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: 2.46

Answer

It is possible for two substances with the same empirical formula to have different properties because two compounds with the same simplest ratio of A atoms to B atoms can differ when it comes to the total number of A atoms and B atoms that each has.

Work Step by Step

The total number of A atoms and B atoms in a given compound contributes to its physical properties, not the ratio of A atoms to B atoms. Thus, if two atoms have the same empirical formula, AB, their molecular formulas are AB and A2B2 respectively, the physical properties of the two compounds will differ from one another.
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