State the optical rotation of a sample composed phenylethane

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The optical rotation of a sample composed only (S)-1-amino-1-phenylethane is determined. [a]obs = -157.0 degrees. If the cell path length was 1.0 dm and the concentration of (S)-1-amino-1-phenylethan in the sample was 5.2 g/mL, what is the specfic observed rotation? Choose the best answer.

a) -16.1 degrees

b) -30.2 degrees

c) -35.8 degrees

d) -43.2 degrees

e) -56.1 degrees

Reference no: EM13195254

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