Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises: 3.26a

Answer

92.3%

Work Step by Step

C2H2 C has a mass of 12 and there are 2 so 24 H has a mass of 1 and there are 2 so 2 24+ 2 = 26 Carbon makes up 24 of this so 24/26 * 100% = 92.3%
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