Answer
The percent mass of Oxygen in Alfatradiol is about 11.76%
Work Step by Step
Molar mass of Alfatradiol:
C: 12x18 = 216
H: 1 x24 = 24
O: 16x2 = 32
216 + 24 + 32 = 272g per Mol
$\frac{32}{272}$ x 100% = 11,76%
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: 3.26e
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