What Is the PH of a Buffer Solution That Is $K _ { a }$

question 101

Multiple Choice

What is the pH of a buffer solution that is 0.295 mol L^-1 in hypochlorous acid (HClO) and 0.373 mol L^-1 in sodium hypochlorite (NaClO) ? The $K _ { a }$ of hypochlorous acid is 3.8 × $10 ^ { - 8 }$ .

• A)13.04
• B)8.38
• C)7.32
• D)6.48
• E)7.52

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