Question

The pKa of hypochlorous acid (HOCl) is 7.53. If you prepare a 0.05 M solution of HOCl(aq), a) What percent of the HOCl will dissociate? b) What will the pH be?

Name: the pka of hypochlorous acid hocl is 753 if you prepare a 005 m solution of hoclaq a what percent of the hocl will dissociate b what will the ph be 66514
Uploaded: 2023-07-16T19:34:35-08:00
Duration: 3 min 50 s
Channel: Oluwapelumi Kolawole
Description: the pka of hypochlorous acid hocl is 753 if you prepare a 005 m solution of hoclaq a what percent of the hocl will dissociate b what will the ph be 66514

          The pKa of hypochlorous acid (HOCl) is 7.53.
If you prepare a 0.05 M solution of HOCl(aq),
a) What percent of the HOCl will dissociate?
b) What will the pH be?

Added by James K.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Oluwapelumi Kolawole

07/16/2023

Step 1

pKa = -log(Ka) Ka = 10^(-pKa) = 10^(-7.53) Now, let's set up an ICE table for the dissociation of HOCl: HOCl(aq) ↔ H+(aq) + OCl^-(aq) Initial: 0.05 M 0 M 0 M Change: -x M +x M +x M Final: 0.05-x M x M Show more…

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The pKa of hypochlorous acid (HOCl) is 7.53. If you prepare a 0.05 M solution of HOCl(aq), a) What percent of the HOCl will dissociate? b) What will the pH be?