1. The Kb for the weak base B is 5.01 × 10^–11. Calculate the Ka for conjugate acid BH⁺ at 25°C.
2. What is the pH of a 0.197 M Ba(OH)2 solution?
3. The ionization constant, Kb, for a base is 1.29 × 10^–9. What is the pKb of this base?
4. The ionization constant, Ka, for an acid is 0.0596. What is the pKa of this acid?
Answers: 2
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