In a student-conducted saponification of glycerol tristearate using NaOH, an IR of the compound was taken. A broad peak at around 3300 cm^-1 was observed. What could this peak correspond to?
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In a student-conducted saponification of glycerol tristearate using NaOH, an IR of the compound was taken. A broad peak at around 3300 cm^-1 was observed. What could this peak correspond to?
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- X 10 (select) v molecules of penicillin3. Correlate the structures of the standard food dyes to their relative position in the paper chromatogram. Refer to the structures shown below. *Na O H3C- OISI *Na HO CH3 Allura Red AC (pigment in red dye) N Hora O Na* O Na* O Nat O Na+ 0=8=0 HO 0=S=0 -O Na+ O Na+ Tartrazine (pigment in yellow dye) Brilliant Blue FCF (pigment in blue dye) 4. What are the identities of the unknowns in paper chromatography of food dyes? How did you arrive at this conclusion?Q24) Consider the following data obtained from the size exclusion chromatography of polypropylene, which was made from propylene of molecular weight 42.08 g/mol. S.No. Number of Molecular Weight Molecules Range (g/mol) 5 8,000 - 16,000 16 16,000 - 24.000 3. 24 24,000 - 32,000 4 28 32,000 - 40,000 5 20 40,000 - 48,000 48,000 – 56,000 From the above data, determine a) Number average molecular weight (M). b) Weight average molecular weight ( Mw). c) Degree of polymerization (DP)