Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises - Page 115: 3.45a

Answer

C2H6O

Work Step by Step

We have 0.0130 mole C, 0.0390 mole H, 0.0065 mole O. To find the empirical formula we have to find the ratio of the three so we take the smallest number (0.0065) and divide each by this number. (0.0130/0.0065) = 2 (0.0390/0.0065) = 6 (0.0065/0.0065) = 1 Therefore, the ratio is 2:6:1 or C2H6O

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