A pure sample of the amino acid (S)-phenylalanine has a specific rotation of +70°. A mixture of the two enantiomers of phenylalanine (S and R) has a specific rotation of -17.5°. What are the percentages of the S and R enantiomers in the mixture?

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A pure sample of the amino acid (S)-phenylalanine has a specific rotation of

+70°. A mixture of the two enantiomers of phenylalanine (S and R) has a specific rotation of -17.5°.

What are the percentages of the S and R enantiomers in the mixture? 

 

A.

B.

C.

D.

 

asked Jun 29, 2014 in Organic Chemistry by Piaso2245 (-45 points)
    

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