25 Jun Paper Chromatography Data Tables and Post-Lab Assessment
Question
Experiment 1: Paper Chromatography
Data Tables and Post-Lab Assessment
Table 1: Part 1: Chromatography Data
Solvent
Distance from Original Line to Solvent Front
Number of Bands
Rf Factor
Acetic Acid
Acetone
Mineral Oil
Water
Table 2: Part 3: Photosynthesis Data
Test Tube
Time Required to
Change Color
Initial Color
Final Color
Time Required to
Change Color (Hours)
1
2
3
Post-Lab Questions
1. What did the different colored bands signify in each solvent for Part 1? What pigments
can you associate them with?
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2. What is the osmolarity fluid used in Part 2? Why is this important? Why is it essential to
keep it cool?
3. How could you modify this experiment to show the effects of different wavelengths of
light on the photosynthetic rate?
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4. Some plants (grasses) tend to contain a greater concentration of chlorophyll than others
(pines). Can you develop a hypothesis to explain this? Would it be testable?
5. Saliva does not contain amylase until babies are two months old. How could this affect an infant’s
digestive requirements?
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