please help with easy chem question!!!!!!!!!!!!!!!!!!!

label Chemistry
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Mar 31st, 2015

1. pH= -log(H+) = -log(9.12x10^-4) = 3.04

2. pH=9.71 = Basic(anything above 7 is basic)

pOH= 14-pH = 14-9.71=4.28

H+ = 1.95x10^-10

OH-= 5.13x10^-5

3. 

a. BrO3- + H2O <==> HBrO3 + OH- 

b. HF + H2O <------> H3O+ + F- 

4.

a. Kb = ([HBrO3][OH-]) / [BrO3-] 

b. Kb = Kw/Ka = [H3O+][F-]/ [HF]

Apr 1st, 2015

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Mar 31st, 2015
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Mar 31st, 2015
Sep 19th, 2017
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