Calculate the pH of a 1.60 mol L^-1 KBrO solution. K_a for hypobromous acid, HBrO, is 2.0 x10^-9 A) 2.55 B) 4.25 C) 9. 75 D) 11.45

Name: Calculate the pH of a 1.60 mol L -1 KBrO solution. K a for hypobromous acid, HBrO, is 2.0 x10 -9 A) 2.55 B) 4.25 C) 9. 75 D) 11.45
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KBrO is a salt of the weak acid HBrO and a strong base KOH. The BrO⁻ ion will hydrolyze in water to form OH⁻, making the solution basic. Calculate Kb using Kw/Ka, then find [OH⁻] and convert to pH. The pH is approximately 11.45.

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