POST-LAB #375-Ternary Mixture
Chem 2/5 Labs FS/96

Name___________________________

A 2.5 g sample of the mixture containing potassium nitrate, silver(I) nitrate and barium sulfate was placed into 15 mL of water. To the filtrate was added an excess of 6M hydrochloric acid yielding 0.85 g of a white precipitate. What % of silver(I) nitrate was in the original sample? (Start with a balanced equation showing precipitation of silver chloride)

Using the Material Safety Data Sheets, list at least one hazard for the following compounds: hydrochloric acid, potassium carbonate and sodium chloride.
(MSDS data for all labs may be found on the Chem 2 web page via
http://www.chem.umr.edu/~tbone)