Calculate the pH of a 1.60 mol L^-1 KBrO solution.K_a for hypobromous acid,HBrO,is $2.0 \times 10 ^- 9$ 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 $2.0 \times 10 ^- 9$ A)2.55 B)4.25 C)9.75 D)11.45
Brand: Quizplus
Rating: 4.8 (40 reviews)

Question

Quizplus · Accepted Answer

KBrO is a salt of the weak acid HBrO and strong base KOH. The pH is determined by the hydrolysis of BrO⁻. Calculate Kb using Kw/Ka, then find [OH⁻] and pOH, and finally pH = 14 - pOH.

Calculate the PH of a 1 2.0×10−92.0 \times 10 ^- 92.0×10−9

Calculate the PH of a 1 $2.0 \times 10 ^- 9$