(Solved) 6. In Part III of Experiment 9, the optical rotation of naproxen

July 21, 2017UncategorizedBy classhelp24@gmail.com [email if you need fresh paper done]

?6. In Part III of Experiment 9, the optical rotation of naproxen is measured in a polarimeter. If the observed rotation ( ? D ) from a solution prepared by dissolving 500 mg of naproxen in 25 mL of 95% ethanol and measured in a sample tube 15.0 cm (1.50 dm) in length is +1.98?, what is the specific rotation , [?] D , of naproxen?

[?]T = ?/lc
Where is:
[?]T = specific rotation in degrees ( is the wavelength of light used for the observation,
usually 589 nm; T is the temperature in oC)
? = observed rotation in degrees.
l…

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