Enantiomerically pure (S)-2-bromobutane has a specific optical rotation = +23.1ᵒ. A sample of 2-bromobutane containing some of each enantiomer has a specific rotation of −9.2ᵒ.
a. The enantiomeric excess of the dominant enantiomer in the mixture is ________________.
b. The percentage of the R enantiomer in the mixture is ________________, and the S enantiomer is ________________.

Question

Enantiomerically pure (S)-2-bromobutane has a specific optical rotation = +23.1ᵒ. A sample of 2-bromobutane containing some of each enantiomer has a specific rotation of −9.2ᵒ.
  a. The enantiomeric excess of the dominant enantiomer in the mixture is ________________.
b. The percentage of the R enantiomer in the mixture is ________________, and the S enantiomer is ________________.

Quizplus · Accepted Answer

The Answer of Enantiomerically pure (S)-2-bromobutane has a specific optical rotation = +23.1ᵒ. A sample of 2-bromobutane containing some of each enantiomer has a specific rotation of −9.2ᵒ.
  a. The enantiomeric excess of the dominant enantiomer in the mixture is ________________.
b. The percentage of the R enantiomer in the mixture is ________________, and the S enantiomer is ________________.

Enantiomerically Pure (S)-2-Bromobutane Has a Specific Optical Rotation = +23