Consider the reaction below. Zn(s) + Cu2+ (aq)--->Zn2+ (aq) + Cu(s)
Which half reaction correctly describes the oxidation that is taking place?
A)Zn(s)--->Zn2+ (aq) +e
B)Zn(s)--->Zn2+ (aq) + 2e-
C)Cu2+ (aq) + 2e--->Cu(s)
D)Cu2+ (aq)e Cuis)

The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated