The Acid- Dissociation Constant at 25

question 74

Multiple Choice

The acid- dissociation constant at 25.0 °C for hypochlorous acid (HClO) is 3.0 × 10^{- 8}. At equilibrium, the molarity of H₃O⁺ in a 0.010 M solution of HClO is .

• A) 2.00
• B) 0.010
• C) 1.7 × 10^{- 5}
• D) 5.8 × 10^{- 10}
• E) 4.76

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