2. Rinse beaker 1 with 10 mL of 5%

2. Rinse beaker 1 with 10 mL of 5% nitric acid solution and add this into beaker 2. Warm the solution in beaker 2 on the hot plate in the hood for 2-3 min, stir the mixture
continuously. Watch the reaction mixture carefully while it is on the hot plate, do not boil the solution.