Simple Dilution 2
  1. How did you choose the dilutions that you used? Could you have used a different series?
  2. Using one drop of concentrated dye, how much water would you have to add to dilute the dye to the concentration of the unknown?
  3. How dilute a solution is it possible to mix and still detect above the blank? With and without the colored filter?
  4. Look down the end of the tube, from top to bottom. Notice the intensity of the color. What causes this? How could you make use of this fact?