The two acid-ionization constants for sulfurous acid,H₂SO₃,are 1.3 × 10^-2 and 6.3 × 10^-8 at 25°C.What is K_b for the HSO₃^- ion? A)6.3 × 10^-8. B)6.2 × 10^-22. C)7.7 × 10^-13. D)1.3 × 10^-2. E)8.2 × 10^-10.

Question

Quizplus · Accepted Answer

The Kb for HSO3- can be calculated using the relation Kw = Ka1 * Kb, where Kw = 1.0 × 10^-14 and Ka1 = 6.3 × 10^-8. Solving gives Kb = 7.7 × 10^-13.

The Two Acid-Ionization Constants for Sulfurous Acid,H2SO3,are 1

The Two Acid-Ionization Constants for Sulfurous Acid,H₂SO₃,are 1