Which solution would show the GREATEST change in pH on the addition of 10.0 mL of 1.0 M NaOH to 1.0 L of each of the following solutions?
a. 0.50 M CH3COOH + 0.50 M NaCH3COO.
b. 0.10 M CH3COOH + 0.10 M NaCH3COO.
c. 0.50 M CH3COOH.
d. 0.10 M CH3COOH.
e. 0.50 M NaCH3COO.
4. (Points: 1)
Which of the following, when added to water, will not change the pH?
a. NaHCO3
b. NH4NO3
c. K2SO3
d. KI
e. HCN