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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: kab243 on May 24, 2021, 10:44:30 PM

Title: What is the pH of a 0.045 M solution of KOBr? The pKa of HOBr is 8.63.
Post by: kab243 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

Title: Re: What is the pH of a 0.045 M solution of KOBr? The pKa of HOBr is 8.63.
Post by: Borek on May 25, 2021, 02:59:42 AM

Hint: OBr^- is a weak base.