Question

The two acid-ionization constants for sulfurous acid, H2SO3, are 1.3 x10-2 and 6.3 x10-8at 25ºC. What is Kb for the HSO3-ion?
A) 6.3 x10-8.
B) 6.2 x10-22.
C) 7.7 x10-13.
D) 1.3 x10-2.
E) 8.2 x10-10.

Answer

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