What Mass of Potassium Hypochlorite Must Be Added to 450

question 18

Multiple Choice

What mass of potassium hypochlorite must be added to 450. mL of water to give a solution with pH = 10.20? [K_a(HClO) = 4.0 * 10^-8]

• A) 20. g
• B) 0.032 g
• C) 4.1 g
• D) 2.4 g
• E) 9.1 g

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