CHM 2045C Module Eight Sample Exam

Part C: Writing Ionization/Dissociation 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)


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


(2) Weak Acid: HC2H3O2 (aq)


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


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)