Acids and Bases

1)    For each reaction listed, identify the proton donor (acid), the proton acceptor (base), the conjugate acid and the conjugate base:

 

a.    HCl(aq)  +  H2O(l)  ?  H3O+(aq)  +  Cl-(aq) 

 

 

b.    HCl(aq)  +  NH3(g)  ?  NH4+(aq)  +  Cl-(aq)

 

 

c.    NH3(aq)  +  H2O(l)  ?  NH4+(aq)  +  OH-(aq) 

 

 

d.    H2SO4(aq)  +  H2O(l)  ?  H3O+(aq)  +  HSO4-(aq) 

 

 

e.    HC2H3O2(aq)  +  H2O(l)  ?  H3O+(aq)  +  C2H3O2-(aq) 

 

 

f.     HCO3-(aq)  +  H2O(l)  ?  H2CO3(aq)  +  OH-(aq) 

 

 

g.    HCN(aq)  +  SO42-(aq)  ?  HSO4-(aq)  +  CN-(aq) 

 

 

2)    A buffer solution is formed from carbonic acid (H2CO3) and the bicarbonate ion (HCO3-).

a.    Write the equation for the reaction that occurs when an acid is added to this solution:

 

 

 

b.    Write the equation for the reaction that occurs when a base is added to this solution:

 

 

 

3)    A buffer solution is formed from hypochlorous acid (HClO) and the hypochlorite ion (ClO-).

a.    Write the equation for the reaction that occurs when an acid is added to this solution:

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