Imagine a Hypothetical Reaction to Make a Chiral Molecule That$[ \alpha ] _ { \mathrm { D } } ^ { 20 }$

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The Answer is α_obs =[α]cl
Specific rotation of major enantiomer, R, is −80ᵒ (given above). Proportion of major enantiomer is 75%. If total concentration of R/S mixture is 1 g/mL, then concentration of "non-racemate" R is 0.75 × 1 g/mL = 0.75 g/mL.
α_obs=[−80ᵒ mL g⁻¹ dm ⁻¹](0.75 g/mL)(1 dm) = −60ᵒ

Imagine a Hypothetical Reaction to Make a Chiral Molecule That $[ \alpha ] _ { \mathrm { D } } ^ { 20 }$

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Imagine a Hypothetical Reaction to Make a Chiral Molecule That [α]D20[ \alpha ] _ { \mathrm { D } } ^ { 20 }[α]D20​

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Imagine a Hypothetical Reaction to Make a Chiral Molecule That $[ \alpha ] _ { \mathrm { D } } ^ { 20 }$

Correct Answer:
Verified