Spinach Prelab Worksheet - Name Chem243a...

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A Microscale Approach to Organic Laboratory Techniques
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Chapter 6 / Exercise 5
A Microscale Approach to Organic Laboratory Techniques
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Unformatted text preview: Name:___________________ Chem 243a Spinach Prelab Worksheet 1. OBJECTIVE (5 points): 2. PHYSICAL CONSTANTS TABLE (Fill in the Blanks) (5 points): Structure MW (g/mol) mp/bp (oC) density (g/mL) Relevant Hazards hexanes distilled water 18.02 0/100 1.00 No Hazard acetone 58.08 ‐95/56 0.79 Sodium chloride NaCl 58.44 801/1413 solid Low Hazard anhydrous sodium sulfate (Na2SO4) alumina Al2O3 101.96 m 2072 solid Low Hazard Name:___________________ Chem 243a Spinach Prelab Worksheet 3. Compare the density of distilled water and hexane – which layer is on top when the extraction mixture is in a centrifuge tube? (1 point) 4. Which components are mostly in which layer? (write each name in one of the boxes): (2 points) hexanes, acetone, water, chlorophyll, cellulose, sodium chloride 5. a) Write the name or draw the structure for the three compounds below (1 point) b) Circle and name the polar functional groups in each compound (3 points) 6. Draw and label three spots depicting how a mixture of these three compounds would separate on a TLC plate (2 points): 7. Which compound will elute first from a chromatography column? (1 points) ...
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