A Buffer Solution Is Made by Dissolving 0

question 40

Multiple Choice

A buffer solution is made by dissolving 0.230 moles of sodium hypochlorite in 1.00 L of 0.220 M hypochlorous acid.What is the pH of the solution after 0.0100 moles of sodium hydroxide is added? (The K_a of HClO is 2.9 * 10^-8.)

• A)6.520
• B)6.404
• C)7.578
• D)7.480
• E)7.596