Ka

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Briana Lopez 4K
Posts: 44
Joined: Wed Nov 22, 2017 3:01 am

Ka

Postby Briana Lopez 4K » Wed Jun 06, 2018 2:39 pm

What does Ka represent and why is it significant?

Jessica Urzua-1H
Posts: 37
Joined: Tue Nov 14, 2017 3:01 am

Re: Ka

Postby Jessica Urzua-1H » Wed Jun 06, 2018 6:12 pm

Ka is an acid dissociation constant that is a quantitative measure of the strength of an acid in solution.

Kate Manganaro 1F
Posts: 32
Joined: Fri Apr 06, 2018 11:03 am

Re: Ka

Postby Kate Manganaro 1F » Thu Jun 07, 2018 6:14 pm

Hello,
Ka is essentially a measure of how strong an acid is in a solution. It is equal to ([A-][H+])/[AH].
Hope this helps!

Jada Larson 1F
Posts: 31
Joined: Fri Apr 06, 2018 11:03 am

Re: Ka

Postby Jada Larson 1F » Sun Jun 10, 2018 8:50 pm

Ka is the ratio of the forward reaction to the backward reaction. It is important because for weak acids, compounds only partially dissociate into H+ ions, and there is a reverse reaction with the equilibrium constant, k.

HA <--> H+ + A-

ka = [H+][A-]/[HA]

Nimrat Brar 1E
Posts: 30
Joined: Fri Apr 06, 2018 11:02 am
Been upvoted: 1 time

Re: Ka

Postby Nimrat Brar 1E » Sun Jun 10, 2018 11:39 pm

Ka (also known as acidity constant, or acid-ionization constant) is a quantitative measure of the strength of an acid in solution. It is the equilibrium constant for a chemical reaction known as dissociation in the context of acid–base reactions.

John Miller-1I
Posts: 29
Joined: Fri Apr 06, 2018 11:04 am

Re: Ka

Postby John Miller-1I » Tue Jun 12, 2018 3:53 pm

It is a constant that measures how strongly the acid dissociates, meaning how easily it donates a proton.


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