ect in ePortfolio idol™M → Caffeine Acetaminophen Solvent front Download 14. A student conducted an experiment using the silica gel TLC plate shown below by spotting a sample of MidolTM, caffeine, and acetaminophen on the plate and eluting with petroleum ether: chloroform (9:1, v/v). Separation of Amino Acids by Thin Layer Chromatography Q Print A Alternative formats A B

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Separation of Amino Acids by Thin Layer Chromatography Lab Questions. Thank you for your help!

ect in ePortfolio
1.2
Midol ™M
Caffeine
Acetaminophen
14. A student conducted an experiment using the silica gel
TLC plate shown below by spotting a sample of MidolTM,
caffeine, and acetaminophen on the plate and
eluting with petroleum ether: chloroform (9:1, v/v).
← Solvent front
Download
Separation of Amino Acids by Thin Layer Chromatography
Print
A Alternative formats
A B C
Transcribed Image Text:ect in ePortfolio 1.2 Midol ™M Caffeine Acetaminophen 14. A student conducted an experiment using the silica gel TLC plate shown below by spotting a sample of MidolTM, caffeine, and acetaminophen on the plate and eluting with petroleum ether: chloroform (9:1, v/v). ← Solvent front Download Separation of Amino Acids by Thin Layer Chromatography Print A Alternative formats A B C
Separation of Amino Acids by Thin Layer Chromatography
a. What are the Rf values of acetaminophen and of caffeine, respectively? (Use a ruler and directly
calculate Rf values based on distance travelled by solvent and compounds)
b. Based on this TLC analysis, what are the ingredients in a tablet of
MidolTM?
c. Which one is more polar, caffeine or acetaminophen?
d. Another student accidently used MidolPM in his experiment and
observed only one spot. Speculate as to which spot was absent and
explain.
U
solvent front
origin
Transcribed Image Text:Separation of Amino Acids by Thin Layer Chromatography a. What are the Rf values of acetaminophen and of caffeine, respectively? (Use a ruler and directly calculate Rf values based on distance travelled by solvent and compounds) b. Based on this TLC analysis, what are the ingredients in a tablet of MidolTM? c. Which one is more polar, caffeine or acetaminophen? d. Another student accidently used MidolPM in his experiment and observed only one spot. Speculate as to which spot was absent and explain. U solvent front origin
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