64. How much of the R enantiomer is present in 10 g of a mixture which has an enantiomeric excess of 30% of the S isomer? A) 3.0 g B) 3.5 g C) 6.5 g D) 7.0 g 65. A solution containing 0.4 g/mL of a pure S enantiomer is a 1 dm polarimeter rotates plane polarized light by +5.6°. What is the rotation of a solution containing 0.8 g/mL of the S enantiomer in the same polarimeter. A) +5.6° B) +11.2° C) +2.8° D) +1.4° 66. What is the percent ee of a mixture that has 70% of one enantiomer and 30% of the other? A) 70 B) 85 C) 40 D) 30 67. If a mixture has an ee of 90%, what is the percentage of each enantiomer? A) 65% : 35% B) 55% : 45% C) 80% : 20% D) 95% : 5%

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

please answer all 64-67

64. How much of the R enantiomer is present in 10 g of a mixture which has an
enantiomeric excess of 30% of the S isomer?
A) 3.0 g B) 3.5 g C) 6.5 g D) 7.0 g
65. A solution containing 0.4 g/mL of a pure S enantiomer is a 1 dm polarimeter rotates
plane polarized light by +5.6°. What is the rotation of a solution containing 0.8 g/mL of
the S enantiomer in the same polarimeter.
A) +5.6° B) +11.2° C) +2.8° D) +1.4°
66. What is the percent ee of a mixture that has 70% of one enantiomer and 30% of the
other?
A) 70 B) 85 C) 40 D) 30
67. If a mixture has an ee of 90%, what is the percentage of each enantiomer?
A) 65% : 35% B) 55% : 45% C) 80% : 20% D) 95% : 5%
ее
Transcribed Image Text:64. How much of the R enantiomer is present in 10 g of a mixture which has an enantiomeric excess of 30% of the S isomer? A) 3.0 g B) 3.5 g C) 6.5 g D) 7.0 g 65. A solution containing 0.4 g/mL of a pure S enantiomer is a 1 dm polarimeter rotates plane polarized light by +5.6°. What is the rotation of a solution containing 0.8 g/mL of the S enantiomer in the same polarimeter. A) +5.6° B) +11.2° C) +2.8° D) +1.4° 66. What is the percent ee of a mixture that has 70% of one enantiomer and 30% of the other? A) 70 B) 85 C) 40 D) 30 67. If a mixture has an ee of 90%, what is the percentage of each enantiomer? A) 65% : 35% B) 55% : 45% C) 80% : 20% D) 95% : 5% ее
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781319114671
Author:
Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:
W. H. Freeman
Lehninger Principles of Biochemistry
Lehninger Principles of Biochemistry
Biochemistry
ISBN:
9781464126116
Author:
David L. Nelson, Michael M. Cox
Publisher:
W. H. Freeman
Fundamentals of Biochemistry: Life at the Molecul…
Fundamentals of Biochemistry: Life at the Molecul…
Biochemistry
ISBN:
9781118918401
Author:
Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher:
WILEY
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781305961135
Author:
Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher:
Cengage Learning
Biochemistry
Biochemistry
Biochemistry
ISBN:
9781305577206
Author:
Reginald H. Garrett, Charles M. Grisham
Publisher:
Cengage Learning
Fundamentals of General, Organic, and Biological …
Fundamentals of General, Organic, and Biological …
Biochemistry
ISBN:
9780134015187
Author:
John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher:
PEARSON