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17. Acid and Base Equilibrium

Diprotic Acids and Bases Calculations

17. Acid and Base Equilibrium

Diprotic Acids and Bases Calculations

Multiple Choice
Which of the following diprotic acid would produce the most acidic solution when dissolved?
Multiple Choice
Determine the pH of 0.115 M Na₂S. Hydrosulfuric acid, H₂S, possesses K_a1 = 1.0 × 10⁻⁷ and K_a2 = 9.1 × 10⁻⁸.
Multiple Choice
Calculate the concentration of [H3O+] in a 0.125 M solution of the diprotic acid H2CO3, given Ka1 = 4.3×10⁻⁷ and Ka2 = 5.6×10⁻¹¹.
Multiple Choice
Carbonic acid, H₂CO₃, is a diprotic acid with Kₐ₁ = 4.2 x 10⁻⁷ and Kₐ₂ = 4.7 x 10⁻¹¹. Calculate the concentration of carbonate ions (CO₃²⁻) in a 0.80 M solution of carbonic acid.
Multiple Choice
Which of the following equations correctly represents the relationship between the hydrogen ion concentration [H+] and the dissociation constants (Ka1 and Ka2) for a diprotic acid H2A?
Multiple Choice
Which of the following points in a titration curve can be used to determine the molar mass of a diprotic acid?