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Topic: What is the pH of a 0.045 M solution of KOBr? The pKa of HOBr is 8.63.  (Read 1945 times)

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Offline kab243

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What is the pH of a 0.045 M solution of KOBr? The pKa of HOBr is 8.63.
« on: May 24, 2021, 10:44:30 PM »
What is the pH of a 0.045 M solution of KOBr? The pKa of HOBr is 8.63.

a) 4.74 b) 4.99 c) 8.25 d) 9.01 e) 10.64


I don't know how to start. Any tips would be great
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Offline Borek

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Re: What is the pH of a 0.045 M solution of KOBr? The pKa of HOBr is 8.63.
« Reply #1 on: May 25, 2021, 02:59:42 AM »
Hint: OBr- is a weak base.
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