# Consider a solution that contains 80.0% R isomer and 20.0% S isomer. If the observed specific rotation of the mixture is –43.0°, what is the specific rotation of the pure R isomer?

##### 1 Answer

Feb 1, 2016

#### Answer:

The specific rotation of the

#### Explanation:

The formula for the enantiomeric excess (

Another equation for

Inserting numbers, we get

This is the value of