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Question 1.MCQ.18: (+)-Mandelic acid has a specific rotation of +158°. What wou......

(+)-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?

(a) + 79°

(b) –118.5°

(c) –79°

(d) +118.5°

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(a) + 79°

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