(+) mandelic acid has a specific rotation of `158^(@)` What would be the observed specific rotation of a mixture of 25% (-) mandelic acid and 75% (+) mandelic acid ?

Let (+) tartaric acid has a specific rotation of +11.1 , Calculate the specific rotation of a mixture of 68%(+) tartaric acid and 32%(-) tartaric acid.

The specific rotation of a pure enantiomers is +12^(@) . What will be its observed rotation if it is isolated form a reaction with 20% racemization and 80% retention.

The specific rotation of a pure enantiomers is +12^(@) . What will be its observed rotation if it is isolated form a reaction with 80% racemization and 20% inversion.

The specific rotation of a pure enantiomer is +16^@ . The observed rotation, if it is isolated from a reaction with 25% racemisation and 75% inversion is

The specific rotation of a pure enantiomer is +16^(@) its observed rotation if it is isolated from a reaction with 25% racemisation and 75% retention is,

(R)-2-methyl-1-butanol has a specific rotation of +13.5^(@) . The specific rotation of 2-methyl-1-butanol containing 40% of the (S)-enantiomer is _____

The specific rotation of a pure enantiomer is +10^(@) . The observed rotation, if it is isolated from a reaction with 30% recemisation and 70% inversion is

a. The specific rotation of a pure enantiomer is +10^(@) . What will be its observed rotation if its is isolated from a reaction with i. 30% racemisation and 70% retention. ii. 70% racemisation and 30% inversion. b. What is the percentage composition of a mixtrue of two enantiomers whose rotation is -10^(@) ? The specific rotation of pure enantiomers is -20^(@) . c. What is the optical purity of a sample having an [alpha]_(obs.)=+9.0^(@) if [alpha]_(D)=+12^(@) .