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Question

A 0.170 M solution of an enantiomerically pure chiral compound D has an observed rotation of +24 deg in a 1-dm sample container. The molar mass of the compound is 134.0 g/mol.

(a) What is the specific rotation of D?  

(b) What is the observed rotation if this solution is mixed with an equal volume of a solution that is 0.170 M in L, the enantiomer of D?

(c) What is the observed rotation if the solution of D is diluted with an equal volume of solvent?  

(d)  What is the specific rotation of D after the dilution described in part (c)?

(e)  What is the specific rotation of L, the enantiomer of D

(f)  What is the observed rotation of 100 mL of a solution that contains 0.01 mole of D and 0.005 mole of L?  (Assume a 10-dm path length).  


Comments
  • Hey there! Can you please check if all the given numbers and units are correct in the problem? Leo commented about 2 years ago