Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 5 - Stereochemistry - Problems - Page 189: Problem 5-9

Answer

$[α]_{D^{25}} = -51^{\circ} $

Work Step by Step

We know, $0.5g/10mL = 0.050g/mL$ $20mm = 2dm$ So, $[α]_{D^{25}} = \frac{-5.1^{\circ}}{(0.050)(2)} = -51^{\circ} $ for (-)-epinephrine.
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