1. Double Replacement
& Acid Carbonate
Reactions

2. Write dissociation equations for the following ionic compounds to show how they dissolve in water.
CuSO4 (s) ®
Cu2+ (aq) SO42- (aq)
FeCl3(s) ®
Fe3+(aq) Cl- (aq)
Fe2(HPO4)3 (s) ®
2Fe3+(aq) HPO42-(aq)

3. Formula Equation
All formulas are together!
Pb(NO3)2(aq) HCl(aq) 2
® PbCl2(s)
+ HNO3 (aq) 2
Complete Ionic Equation
Dissociate (aq) Leave (s) (l) (g)
Pb2+(aq) + 2NO3-(aq)
+ 2H+(aq) + 2Cl-(aq) 
PbCl2(s) +
2H+(aq) + 2NO3-(aq)
Net Ionic Equation
Cross off spectator ions
Pb2+(aq) Cl-(aq) 
PbCl2(s)

4. Formula Equation
All formulas are together! 2
Al(s) Cu(NO3)2(aq) → 3 3
Cu(s) Al(NO3)3(aq) 2
Complete Ionic Equation
Dissociate (aq) Leave (s) (l) (g)
2 Al(s) +
3 Cu2+(aq) NO3-(aq) →
3 Cu(s) +
2Al3+(aq)+ 6 NO3-( aq)
Net Ionic Equation
Cross off spectator ions
2Al(s) Cu2+(aq) →
3Cu(s) Al3+( aq)

5. Acid Carbonate Reactions
Carbonate acid ® salt water + carbon dioxide
Formula Equation
CaCO3(s) HCl(aq) ® 2
CaCl2(aq) H2O(l) CO2(g)
Complete Ionic Equation
CaCO3(s)+ 2H+(aq)+ 2 Cl-(aq) ®
Ca2+(aq) Cl-(aq)+ H2O(l) CO2(g)
Net Ionic Equation
CaCO3(s) H+(aq ®
Ca2+(aq) H2O(l) CO2(g)

6. K3PO4(aq) HNO3(aq) ®
No Reaction- both soluble
H3PO4(aq) KNO3(aq)