A solution of (S)-2-butanol (molar mass = 74.12) is observed to have a rotation in a 10 cm path length of +16.2 degrees. If the molar specific rotation of (S)-2-butanol is +135.2 degrees, what is the concentration of (S)-2-butanol in grams per liter?
A solution of (S)-2-butanol (molar mass = 74.12) is observed to have a rotation in a 10 cm path length of +16.2 degrees. If the molar specific rotation of (S)-2-butanol is +135.2 degrees, what is the concentration of (S)-2-butanol in grams per liter?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. A solution of (S)-2-butanol (molar mass = 74.12) is observed to have a rotation in a 10 cm path length of +16.2 degrees. If the molar specific rotation of (S)-2-butanol is +135.2 degrees, what is the concentration of (S)-2-butanol in grams per liter?
2. After an attempt to resolve a racemate into its enantiomers, the observed rotation is +22.4 degrees per g/L. If the known specific rotation is +24.2 degrees per g/L,, what is the % enantiomeric excess of the compound?
3. If the % enantiomeric excess of a chiral compound is 88.2%, what is its chiral purity?
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