What is the specific optical rotation of (S)-malic acid at a concentra – McqOptions

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1.	What is the specific optical rotation of (S)-malic acid at a concentration of 5.5 g/ mL in the solvent pyridine at 20 C at a wavelength of 589 nm?
A.	the specific rotation is 27
B.	the specific rotation is +27
C.	the specific rotation is 17
D.	the specific rotation is +17
Answer» B. the specific rotation is +27

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