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Enantiomeric Excess

Q. The rotation of a molecules R-isomer was measured to be + 90. A mixture of the R and S was found to have a rotation of + 45. What is the enantiomeric excess (ee, or chiral purity)?

Solved • Jun 12, 2019

Enantiomeric Excess

Q. A 0.170 M solution of an enantiomerically pure chiral compound D has an observed rotation of +24 deg in a 1-dm sample container. The molar mass of the compound is 134.0 g/mol.

Solved • Mar 4, 2019