The acid- dissociation constants of sulfurous acid (H2SO3) are Ka1 = 1.7 × 10- 2 and
Ka2 = 6.4 × 10- 8 at 25.0 °C. Calculate the pH of a 0.163 M aqueous solution of sulfurous acid.
A) 1.4
B) 7.2
C) 1.8
D) 1.3
E) 4.5
Correct Answer:
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