Asked Jan 22, 2020

A weak acid, HA, has a pKa of 4.838. If a solution of this acid has a pH of 4.675, what percentage of the acid is not ionized? Assume all H+ in the solution came from the ionization of HA.


Expert Answer

Step 1


pKa = 4.838

pH =4.675

Step 2

To calculate percentage ionization of weak acid:

The formula is

Chemistry homework question answer, step 2, image 1
Step 3

Calculating ionization perc...

Chemistry homework question answer, step 3, image 1

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