1. Rank the following solutions from least polar to most polar.
Rank on a scale of 1-4: 1 being the least polar and 4 being the most polar.
_______ 50% ISOPROPANOL / H2O
_______ 25% ISOPROPANOL / H2O
_______ PURE WATER
_______ ISOPROPANOL / H2O
2. Identify the analyte, eluting solvents (mobile phases), and stationary phase used in Experiment 1.
3. Why would it be important to know which food dyes are in food?
