Sulfurous Acid,H₂SO₃ Has Acid Dissociation Constants K_a1 = 1

question 138

Multiple Choice

Sulfurous acid,H₂SO₃ has acid dissociation constants K_a1 = 1.5 × 10^-2 and K_a2 = 6.3 × 10^-8.What is the pH after 10.00 mL of 0.1000 M NaOH is added to 10.00 mL of 0.1000 M H₂SO₃?

• A)1.82
• B)3.60
• C)4.25
• D)7.20

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