1. Use nitrile gloves and wear goggles when preparing the salt solutions!
  2. Take 25 g of lithium chloride salt, add it to a ½ L spray bottle and add 200 mL of water. Shake well to dissolve the salt.
  3. Then, fill the spray bottle with methanol, put the spray lid on the bottle and shake to mix the lithium chloride salt solution.
  4. Repeat step 2 for all five salts. For the copper sulfate solution, add 25 g of Borax for green color.
  5. Before you conduct the activity, make sure the audience is 5-10 feet away.
  6. Behind a blast shield and wearing a flame-proof labcoat, nitrile gloves, goggles, and a face protector, ignite the Bunsen burner or propane torch and carefully spray each respective salt into the flames to demonstrate the colors given off by the metal ions.

Reference Material