Identify each of the unknowns by number, name and formula. Using your data table for known solutions, determine a possible identity combination for these three unknown solutions. Explain your answer. Go to Top Safety Barium, bismuth, silver, and soluble sulfide compounds are toxic. Do not ingest the chemicals.
Sodium hydroxide is caustic and corrosive to skin.
Silver solutions cause stains. Wash spills immediately with large amounts of water. Suggested data tables are available for student use. Results for known solutions are included for teacher. Teachers are responsible for identification of unknowns.