KEY
Name_________________________________Section______
CHEMISTRY 170
QUIZ #2
Dr. David Brown
March 5, 2012
You have 5 minutes for this quiz. 5 pts.
1. Convert the following sentence that describes a chemical reaction in words into a
chemical equation with formulas and balance it.
Aqueous ammonium sulfate reacts with aqueous barium chloride to
produce a solid precipitate of barium sulfate and an additional product
of aqueous ammonium chloride.
(NH4)2SO4 (aq) + BaCl2 (aq)
BaSO4 (s) + 2 NH4Cl (aq)