Show work. don't give Ai generated solution 8. What is the percentage of the R enantiomer in a sample of limonene that has a specific rotationof -38°, given the specific rotation of (S)-limonene is -116°?

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Answered: 8. What is the percentage of the R…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter12: Chirality

Section: Chapter Questions

Problem 6E

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(R)-Lyrica has an optical rotation of -128 degrees in acetone solution and it's crystals have a melting point of +184 degrees celsius. It's enantiomer, (S)-Lyrica, would have an optical rotation of ______ and a melting point of _____?
2. Is IR helpful to prove that limonene is optically active? Why or why not? Answer question here 3. If a sample is determined to be 75% of the (+) enantiomer, then what is the enantiomeric excess? Answer question here 4. An experiment is performed were the specific rotation was determined to be +52° for the resulting isolation (note this is not the observed rotation). If the enantiomerically pure compound has a literature rotation of +97°, then what is the percent of each enantiomer in the isolated mixture? Answer question here 5. Can you determine the percent R and S from the information given in questions 4? Explain. Answer question here
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8. What is the percentage of the R enantiomer in a sample of limonene that has a specific rotation of -38°, given the specific rotation of (S)-limonene is -116°?