What Is the Hydronium Ion Concentration of a 0

question 113

Multiple Choice

What is the hydronium ion concentration of a 0.100 M hypochlorous acid solution with K_a = 3.5 × 10^-8? The equation for the dissociation of hypochlorous acid is: HOCl(aq) + H₂O(l) ⇌ H₃O⁺(aq) + OCl^-(aq) .

• A)1.9 × 10^-4
• B)5.9 × 10^-4
• C)1.9 × 10^-5
• D)5.9 × 10^-5

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