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 114: 3.27a

Answer

The percent mass of Carbon in Benzaldehyde is 79.25%

Work Step by Step

Molar mass of C7H6O: C: 12x7 = 84 H: 1x6 = 6 O: 16x1 = 16 84 + 6 + 16 = 106 Percent mass of C in C7H6O: $\frac{84}{106}$ x 100% = 79.25%

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