2. The following reactions take place in water. Rewrite each equation and specify whether each substance
would be aqueous (aq) or solid (s).
a. Pb(NO3)2 ( ) + BaI2 ( ) PbI2 ( ) + Ba(NO3)2 ( )
b. Ba(C2H3O2)2 ( ) + CuSO4 ( ) Cu(C2H3O2)2 ( ) + BaSO4 ( )
c. ZnSO4 ( ) + 2AgNO3 ( ) Zn(NO3)2 ( ) + Ag2SO4 ( )
d. Cu(NO3)2 ( ) + 2NaOH ( ) Cu(OH)2 ( ) + 2NaNO3 ( )
e. Silver nitrate and sodium carbonate react to form silver carbonate and sodium nitrate .
3. Which three anions form the most soluble compounds?
4. Which two cations form the most soluble compounds?
5. It is helpful to create a generate rule for solubility of compounds? Fill in the following blank to
describe the solubility of some ionic compounds.
a. Compounds containing the ion sodium (Na+) are always ____________.
b. Compounds containing the anion nitrate (NO3
–) are always ____________.
c. Compounds containing the ion carbonate are usually _______. Exceptions include ______ and _______.