4 Queston sofThe concentration of caffeine in an energy soft drınk was deternined by standard addtion usirg HPLC thefollowing procedure was used a standard caffeine solution was prepared by adhing 0 9654g of calfeine to 100cm' of water A seres of solutions were prepated by adding known volumes of the standard solution to the sotdrink before diluting to 200 cm', The volume of standard and the caffeine peak area are shown in the tableAddedEnergycaffeinePeakDrink(cm)Stdarea(em)251260251447251016342520200925252196Determine the concentration of caffeine in the soft drink as mg cm³.O A. 6.2В. 2.3O C. 5.8D. 11.7

Answered: Image /qna-images/answer/3e1b204b-e98b-4b7b-96fb-f109653902fe.jpg

he concentration of caffeine in an energy soft drink was determined by standard addtion using MPLC the ollowing procedure was used a standard catfeine solution was prepared by adding 0 B654g of catfeine to 100 sm' of water A series of solutions were prepated by adding known volumes of the standard solution to the drink before diluting to 200 cm', The volume of standard and the caffeine peak area are shown in the table Added Energy caffeine Peak Drink Std area (cm') (cm') 25 1260 25 1447 25 10 1634 25 20 2009 25 25 2196 Determine the concentration of caffeine in the soft drink as mg cm.

he concentration of caffeine in an energy soft drink was determined by standard addtion using MPLC the ollowing procedure was used a standard catfeine solution was prepared by adding 0 B654g of catfeine to 100 sm' of water A series of solutions were prepated by adding known volumes of the standard solution to the drink before diluting to 200 cm', The volume of standard and the caffeine peak area are shown in the table Added Energy caffeine Peak Drink Std area (cm') (cm') 25 1260 25 1447 25 10 1634 25 20 2009 25 25 2196 Determine the concentration of caffeine in the soft drink as mg cm.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter31: Introduction To Analytical Separations

Section: Chapter Questions

Problem 31.19QAP

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