4 Label each of the peaks below using your answer to question 9 in the pre-lab 5001 2 1 400- 4 300 Sam 3 6 5 200 100 Time min) Peaks to Rungos Compound Co Hino, CHIRO (SHO Cu Heo Retention Time (min) 3 920 2.780 2.450 1.275 0.795 0585 Area % Area 4191 3921 36:42 1.12 762) 114 16.11 15.10 237 222 2.30 2.15 Butyl acetate 4-methyl-2-pentanone propyl acetales C. HE OH ethanol CH, OH - methanol , 2-Buta mort Prediction 5. Identify your unknown substance Unknown Number 6. Peak 6 and peak 5 in the graph above are close to each other. Using this information, and the compounds they correspond to, what property will give the best prediction of retention time: boiling point, molar mass or bonding functional group? Explain your