Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 3 - Sections 3.1-3.12 - Exercises - Review Questions: 17

Answer

To begin, you are required to know the molecular molar mass of the compound. You must also compute the molar mass of the empirical formula. A molecular formula is always a whole number multiple of the empirical formula.

Work Step by Step

Divide the molecular molar mass by the empirical molar mass in order to get this whole number $n$. Then multiply the subscripts of the empirical formula by this whole number in order to obtain the molecular formula.
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