What Is the Hydronium Ion Concentration of a 0

question 113

Multiple Choice

What is the hydronium ion concentration of a 0.150 mol L^-1 hypochlorous acid solution with K_a = 3.5 × 10^-8? The equation for the dissociation of hypochlorous acid is below:

• A)1.9 × 10^-4 mol L^-1
• B)7.2 × 10^-4 mol L^-1
• C)2.8 × 10^-5 mol L^-1
• D)7.2 × 10^-5 mol L^-1

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