weight of three tablets 0.972 (1 tablet is 200mg so 200 x3 =600) weight crude ibuprofen 0.823 weight of pure ibuprophen 0.216 melting point pure ibuprofen 60-70 C observed rotation of ibuprophen standard (a) 3.5 observed rotation of ibuprophen sample (a)=0 concentration of ibuprophen standard and sample 1.000 g/ml A. What percentage of each tablet is ibuprophen? B. Based on your initial recovery of ibuprofen from the commercial tablets, what percent of the available ibuprophen did you recover in the crude sample? What was your percent recovery of ibuprophen following recrystallization? C. Does your melting point data indicate a racemic mixture or a eutomer? Explain briefly. Do your calculations for the specific rotation support the conclusion you reached from melting point data? Explain Briefly.

weight of three tablets 0.972 (1 tablet is 200mg so 200 x3 =600) weight crude ibuprofen 0.823 weight of pure ibuprophen 0.216 melting point pure ibuprofen 60-70 C observed rotation of ibuprophen standard (a) 3.5 observed rotation of ibuprophen sample (a)=0 concentration of ibuprophen standard and sample 1.000 g/ml A. What percentage of each tablet is ibuprophen? B. Based on your initial recovery of ibuprofen from the commercial tablets, what percent of the available ibuprophen did you recover in the crude sample? What was your percent recovery of ibuprophen following recrystallization? C. Does your melting point data indicate a racemic mixture or a eutomer? Explain briefly. Do your calculations for the specific rotation support the conclusion you reached from melting point data? Explain Briefly.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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