Exercise 18 The Acid-Base Properties of Salts Predict whether an aqueous solution of each of the following salts will be acidic, basic, or neutral. Prove with appropriate equations. a. NaC2H3O2 b. NH4NO3 Exercise 19 Salts as Weak Bases Calculate the pH of a 0.30 NaF solution. The Ka value for HF is 7.2 × 10−4. M pH = 8.31 Exercise 20 Salts as Weak Acids I Calculate the pH of a 0.10 NH4Cl solution. The value for NH3 is 1.8 × 10−5. M Kb pH = 5.13
Exercise 18 The Acid-Base Properties of Salts Predict whether an aqueous solution of each of the following salts will be acidic, basic, or neutral. Prove with appropriate equations. a. NaC2H3O2 b. NH4NO3 Exercise 19 Salts as Weak Bases Calculate the pH of a 0.30 M NaF solution. The Ka value for HF is 7.2 × 10−4. pH = 8.31 Exercise 20 Salts as Weak Acids I Calculate the pH of a 0.10 M NH4Cl solution. The Kb value for NH3 is 1.8 × 10−5. pH = 5.13