Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 2 - Atoms, Molecules, and Ions - Section Problems - Page 74: 127


The chemical formula for lactic acid is $C_3H_6O_3$

Work Step by Step

1. Count the number of times each element appears in the structure: C: 3 carbons. H: 6 hydrogens. O: 3 oxygen. 2. Write each symbol in alphabetical order, followed by the number of times it appears (If the number is equal to 1, you don't need to represent it): $C_3H_6O_3$
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