The specific rotation of the R enantiomer of the following alkene is [a] 25 D 5 179

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The specific rotation of the R enantiomer of the following alkene is [a]25D 5 179 degrees mL g–1 dm–1, and its molecular mass is 146.2.CH3 I HC-CH-C=CH | Ph

(a) What is the observed rotation of a 0.5 M solution of this compound in a 5-cm sample path?

(b) What is the observed rotation of a solution formed by mixing equal volumes of the solution from part (a) and a 0.25 M solution of the enantiomer of the same alkene?

(c) What is the enantiomeric excess of the major enantiomer in the solution formed in part (b)?

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Organic Chemistry

ISBN: 9781936221349

6th Edition

Authors: Marc Loudon, Jim Parise

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