Ch.16 - Acids and Bases
- Both HCO3- and HS- are amphoteric. Write an equation to show how each substance can act as an acid, and another equation to show how each can act as a base.
Problem 4
- A 0.115 M solution of a weak acid (HA) has a pH of 3.29. Calculate the acid ionization constant (Ka) for the acid.
Problem 7
- Determine the concentrations of OH-, pH, and pOH of a solution that is 0.125 M in CO32-.
Problem 9
Problem 33a,b,d
Identify each substance as an acid or a base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition. a. HNO3(aq) b. NH4+(aq) d. HC2H3O2(aq)
Problem 33c
Identify each substance as an acid or a base and write a chemical equation showing how it is an acid or a base according to the Arrhenius definition. c. KOH(aq)