The K_a of Hypochlorous Acid (HClO) Is 3

question 28

Multiple Choice

The K_a of hypochlorous acid (HClO) is 3.0 × 10^{- 8} at 25.0 °C. What is the % ionization of hypochlorous acid in a 0.015- M aqueous solution of HClO at 25.0 °C?

• A) 1.4 × 10^{- 3}
• B) 0.14
• C) 2.1 × 10^{- 5}
• D) 4.5 × 10^{- 8}
• E) 14

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