medium · MCAT chem-phys
An organic chemist synthesizes a molecule with one chiral center and measures an optical rotation of +25^circ.
If the sample is a mixture of 75% of the (+)-enantiomer and 25% of the (-)-enantiomer, what is the specific rotation of the pure (+)-enantiomer?
- +50^circ
- +33.3^circ
- +100^circ
- +12.5^circ
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