MYSTERY JUG
Solution A: dissolve 5 g iron III ammonium sulfate in 500 mL of water
Place about 0.1 g of each of the following substances in separate 100 mL beakers and dissolve and dissolve each
in a few drops of water. The beakers should appear to be empty to the audience.
1. potassium thiocyanate (red)
2. potassium ferrocyanide (blue)
3. barium chloride (white)
4. tartaric acid (green)
5. sodium hydroxide (amber)
What to do : Place about 50 mL of solution A into each of the beakers.