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Topic: How did my book come up with this ratio?  (Read 1467 times)

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Offline duma

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How did my book come up with this ratio?
« on: October 22, 2014, 01:30:30 AM »
The pKa for benzoic acid is 4.20. Therefore, at pH 4.20 there is a 1:1 mixture of benzoic acid (HA) and benzoate ion (A􏰁).

1:1 how?
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Offline Borek

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Re: How did my book come up with this ratio?
« Reply #1 on: October 22, 2014, 02:52:51 AM »
Do you know Henderson-Hasselbalch equation?
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