Hazards:
Both HCl and Ammonium Hydroxide are corrosive and toxic. Avoid exposure.
Chemicals and Solutions:
Conc. HCl (hydrochloric acid)
Conc. NH4OH (aqueous ammonia)
Materials:
Special 250 ml Erlenmeyer flasks with 34/35 and special stopper with fritted glass tips (2)
Procedure:
Remove the fritted glass stopper from the HCl flask and “waft” the tip near the opening of the ammonia flask. A white cloud of ammonium chloride will form.
To schedule a demonstration, please send an email to the demonstration lab.
Contact:
Eric Camp
Lecture Demonstration Technician
Bagley Hall 171
(206) 543-1606