Hypochlorous Acid (HClO) Has an Acid Ionization Constant, K _a

question 140

Multiple Choice

Hypochlorous acid (HClO) has an acid ionization constant, K _a, equal to 2.9×10 ^{- 8}. What is the pH of a 0.20 M aqueous solution of hypochlorous acid?

• A) pH = 0.70
• B) pH = 4.12
• C) pH = 8.24
• D) pH = 9.88
• E) pH = 16.47

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