a-substance-has-a-specific-rotation-of-4000-in-a-polarimeter-tube-that-is-5000-c

Question

A substance has a specific rotation of −40.00°. In a polarimeter tube that is 5.000 cm long, a solution of the compound (0.8100 g/100.0 mL) causes an observation of the rotation of −7.520°. How much of each enantiomer is in the solution?

Accepted Answer

% of the (+)-enantiomer = 26.8%

% of the (−)-enantiomer = 73.2%

Answer

% of the (+)-enantiomer = 46.4%

% of the (−)-enantiomer = 73.2%

Answer

% of the (+)-enantiomer = 73.2%

% of the (−)-enantiomer = 26.8%

Answer

% of the (+)-enantiomer = 18.5%

% of the (−)-enantiomer = 40.0%

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A substance has a specific rotation of −40.00°. In a polarimeter tube that is 5.000 cm long, a solution of the compound (0.8100 g/100.0 mL) causes an observation of the rotation of −7.520°. How much of each enantiomer is in the solution?