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An enantiomerically enriched sample of 2-butanol has an observed optical rotation of 6.7". Enantiomerically pure (S)-(+)-2-butanol has a specific rotation of +13.5. Use this information to answer the following questions. a) What is the optical purity of the mixture? 49.6 b) What is the ratio of the S and R enantiomers in the mixture? 25 You are correct 80 You are correct You are incorrect % Risomer 0,5 c) If the ratio of enantiomers were adjusted to 9:1, what would be the optical purity of the sample? %ee 75 (R) You are correct X%ee in favor of the Sisomer d) What ratio of enantiomers is needed to obtain an optical purity of 99%? 99.5 You are correct % Sisomer, (S):

An enantiomerically enriched sample of 2-butanol has an observed optical rotation of 6.7". Enantiomerically pure (S)-(+)-2-butanol has a specific rotation of +13.5. Use this information to answer the following questions. a) What is the optical purity of the mixture? 49.6 b) What is the ratio of the S and R enantiomers in the mixture? 25 You are correct 80 You are correct You are incorrect % Risomer 0,5 c) If the ratio of enantiomers were adjusted to 9:1, what would be the optical purity of the sample? %ee 75 (R) You are correct X%ee in favor of the Sisomer d) What ratio of enantiomers is needed to obtain an optical purity of 99%? 99.5 You are correct % Sisomer, (S):

Chemistry
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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An enantiomerically enriched sample of 2-butanol has an observed optical rotation of 6.7". Enantiomerically pure (S)-(+)-2-butanol has a specific rotation of +13.5". Use this information to answer the following questions. a) What is the optical purity of the mixture? 49.6 b) What is the ratio of the S and R enantiomers in the mixture? 25 You are correct 80 You are correct You are incorrect % Risomer 0,5 c) If the ratio of enantiomers were adjusted to 9:1, what would be the optical purity of the sample? ✓%ee 75 (R) You are correct X%ee in favor of the Sisomer d) What ratio of enantiomers is needed to obtain an optical purity of 99%? 99.5 You are correct % Sisomer, (S):
Transcribed Image Text:An enantiomerically enriched sample of 2-butanol has an observed optical rotation of 6.7". Enantiomerically pure (S)-(+)-2-butanol has a specific rotation of +13.5". Use this information to answer the following questions. a) What is the optical purity of the mixture? 49.6 b) What is the ratio of the S and R enantiomers in the mixture? 25 You are correct 80 You are correct You are incorrect % Risomer 0,5 c) If the ratio of enantiomers were adjusted to 9:1, what would be the optical purity of the sample? ✓%ee 75 (R) You are correct X%ee in favor of the Sisomer d) What ratio of enantiomers is needed to obtain an optical purity of 99%? 99.5 You are correct % Sisomer, (S):
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