Ka and Concentration

Acidity
Basicity
The Conjugate Seesaw

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Lily Guo 1D
Posts: 64
Joined: Fri Sep 29, 2017 7:03 am

Ka and Concentration

Postby Lily Guo 1D » Wed Dec 06, 2017 3:00 am

Is Ka the same thing as [H3O+]?
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Nha Dang 2I
Posts: 53
Joined: Fri Sep 29, 2017 7:07 am

Re: Ka and Concentration

Postby Nha Dang 2I » Wed Dec 06, 2017 7:52 am

No, Ka is [H3O+][A-]/[HA-], so the products divided by the reactants for K!
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Navleen Bajwa 3A
Posts: 20
Joined: Fri Sep 29, 2017 7:06 am

Re: Ka and Concentration

Postby Navleen Bajwa 3A » Fri Dec 08, 2017 12:55 am

No. Ka, the acidity constant, is the products/reactants. Ka= [H30+][A-]/[HA].
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AnuPanneerselvam1H
Posts: 52
Joined: Fri Sep 29, 2017 7:07 am

Re: Ka and Concentration

Postby AnuPanneerselvam1H » Fri Dec 08, 2017 10:13 am

Ka is the acidity constant, or the equilibrium constant of an acid dissociation equation. It is a ratio of the products concentration to the reactants concentration. On the other hand, [H3O+] is the concentration of hydronium ions and is measured by pH.
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