The specific rotation for (-)-methylphenidate is -38° mL g¹ dm¹. Path length of the polarimeter is 1 dm. You dissolve 0.5 g of a mixture of (-)-methylphenidate and its enantiomer in 4 mL of water. You place th sample into a polarimeter and the observed rotation is found to be -1.8. What percent of the mixture is composed of (-)-methylphenidate? (Round your answer to the nearest whole percent.) The numerical values in this calculation will change with each attempt. Double check before submitting additional attempts

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter7: Cycloalkanes
Section: Chapter Questions
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Question 9
The specific rotation for (-)-methylphenidate is -38° mL g¹ dm1. Path length of the
polarimeter is 1 dm.
You dissolve 0.5 g of a mixture of (-)-methylphenidate and its enantiomer in 4 mL of water. You place the
sample into a polarimeter and the observed rotation is found to be -1.8°. What percent of the mixture is
composed of (-)-methylphenidate? (Round your answer to the nearest whole percent.)
The numerical values in this calculation will change with each attempt. Double check before submitting
additional attempts
Transcribed Image Text:Question 9 The specific rotation for (-)-methylphenidate is -38° mL g¹ dm1. Path length of the polarimeter is 1 dm. You dissolve 0.5 g of a mixture of (-)-methylphenidate and its enantiomer in 4 mL of water. You place the sample into a polarimeter and the observed rotation is found to be -1.8°. What percent of the mixture is composed of (-)-methylphenidate? (Round your answer to the nearest whole percent.) The numerical values in this calculation will change with each attempt. Double check before submitting additional attempts
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