CHM 1025C Module Eight Sample Exam

Part C: Writing Ionization Reactions 5 points

(Strong Acids/Weak Acids/Strong Bases/Weak Bases/

Soluble Salts and Oxides of Nonmetals and Metals)

 

Write the ionization reactions for the following:

(1) Strong Acid: HCl (aq)

 

HCl (aq) H1+ (aq) + Cl1- (aq)

or

HCl (aq) + H2O (l) H3O 1+ (aq) + Cl 1- (aq)

 

(2) Weak Acid: HC2H3O2 (aq)

 

HC2H3O2 (aq) H1+ (aq) + C2H3O21- (aq)

or

HC2H3O2 (aq) + H2O (l) H3O 1+ (aq) + C2H3O21- (aq)

 

(3) Strong Base: NaOH (aq)

 

NaOH (aq) Na 1+ (aq) + OH 1- (aq)

 

(4) Weak Base: NH3 (aq)

 

NH3 (aq) + H2O (l) NH4 1+ (aq) + OH 1- (aq)

 

 

(5) Soluble Salts: NaCl (aq)

 

NaCl (aq) Na 1+ (aq) + Cl 1- (aq)

 

(6) Oxides of Nonmetals: CO2 (g)

 

CO2 (g) + H2O (l) H2CO3 (aq)

H2CO3 (aq) H1+ (aq) + HCO321- (aq)

 

(7) Oxides of Metals: CaO (s)

 

CaO (s) + H2O (l) Ca(OH)2 (s)