Acids, Bases and Salts

20 points

1.    What is the definition of an acid?  (2 points)

2.    What is the definition of a base?  (2 point)

3.    Concerning the following chemical reaction: 

        HCl (aq) + H₂O --> H₃O⁺  + Cl^- (aq)    

        a.    What is the hydronium ion? (1 points)

        b.    What are the ions?  (2 points)

4.    Concerning the following chemical reaction: 

        NaOH (aq) + H₃O⁺ --> H₂O  + NaCl (aq)    

        a.    What are the products of the reaction?  (2 points)

        b.    Which compound is the base?  (1 point)

        c.    Which compound is the salt?  (1 point)

5.    What is an acid-base indicator?  (1 points)

6.    Give 2 household examples of an acid.  (2 points)

7.    Give 2 household examples of a base.  (2 points)

8.    Concerning pH:

   a.    What does it measure (specifically, what element or compound)?    (1 point)

   b.    What is the pH of water?    (1 point)

   c.    What range of pH values occur in an acid?    (1 point)

   d.    What range of pH values occur in a base?   (1 point)