Name __________________
Honors Chem- Buffers Worksheet
1.
What two ingredients does a buffer contain?
2.
Describe how a buffer controls pH
3.
List three weak acids and their conjugate bases.
a.
b.
c.
4.
Write the equilibrium reaction for an acetic acid buffer solution.
5.
A buffer is prepared containing 1.00 molar acetic acid and 1.00 molar sodium
acetate. What is its pH? Ka = 1.76 x 10-5
6.
Calculate the pH of a buffer solution made from equal amounts of 0.30 M
hydrofluoric acid and 0.70 M sodium fluoride. K
a
=7.1×10
−4
7.
A buffer is prepared with .5 M HCN and the same concentration of its conjugate
base. What is the pH of the bufer?