pKa and pH in strong and weak acids  [ENDORSED]

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Mike Vinci 2B
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pKa and pH in strong and weak acids

Postby Mike Vinci 2B » Wed Dec 06, 2017 11:33 pm

Hey Chemistry community,
I understand the idea of both pKa and pH, however I'm having trouble understanding the relationship between the two. Could someone describe if knowing either the pKa or pH helps you describe the other? Is their an inverse relationship or direct relationship?

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Re: pKa and pH in strong and weak acids  [ENDORSED]

Postby skalvakota2H » Wed Dec 06, 2017 11:46 pm

The higher the Ka value is, the more protons are donated by the acid, which means the acid is stronger and then pKa value will be lower. Consequently, since the acid is stronger, it will also have a lower pH value. Thus, we can draw a direct relationship.

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