1. What is the pH of a solution formed from a 0.8 M acetic acid solution, HC2H3O2, Ka =
1.8 × 10─5, mixed in a 0.3 M NaC2H3O2 solution?
2. What is the pH of a solution made with 25 mL of 0.8 M weak acid with dissociation
constant 1.2 × 10–6 and 75 mL of 0.2 M NaOH?
3. What is the pH of a solution made with 50 mL of 0.5 M ascorbic acid, H2C6H6O6 solution
(Ka1 = 8.0 × 10─5) and 200 mL of 0.1 M KOH?
4. What is the pH of a solution made with 50 mL of 0.4 M HIO (Ka = 3.0 × 10─8) and 200
mL of 0.1 M NaOH?
5. What is the pH of a solution made with 100 mL of 0.8 M HC2H3O2, Ka = 1.8 × 10─5, and
400 mL of 0.4 M NaOH?