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: 3.25f

Answer

26.53%

Work Step by Step

The percentage of oxygen in the substance is determined by the following equation: $\%O = \frac{24\times16}{1447}\times100\%=26,53\%$ Knowing that, 24 = number of oxygen atoms 16= atomic mass of oxygen 1447 = molecular mass of vancomycin
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