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 - Page 114: 3.26f

Answer

The percent mass of Carbon in Capsaicin is about 70.82%.

Work Step by Step

Molar mass of C18H27NO3: C: 12x18 = 216 H: 1x27 = 27 N: 14x1 = 14 O: 16x3 = 48 216 + 27 + 14 + 48 = 305g per Mol Percentage of C mass in Capsaicin: $\frac{216}{305}$ x 100% = 70.82%
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