In Chemistry, What does the Ka mean?

Answer 1

Ka is an equilibrium constant for the partial ionization of "weak" acids in water. If such a weak acid is HOAc, the ionization is
HOAc = H+ + OAc-
and Ka= [H+][OAc-]/[HOAc]

Ka values range from about 10-2 to 10-14 Greater than 10-2, they are essentially strong acids, and below 10-14, they produce no more [H+] in water than would normally be observed.

Answer 2

Ka Chemistry

Answer 3

The letter K is usually used to represent the equilibrium constant for a chemical reaction.All chemical reactions have a value of K associated with them.

The equilibrium constant for the dissociation of an acid is known as Ka. The larger the value of Ka, the stronger the acid.

Answer 4

RE:
In Chemistry, What does the Ka mean?

Answer 5

Acid Constant, Kainic Acid, Acid Dissociation Constant, or Kainate

Answer 6

It is the Acid Dissociation Constant


See the source site for more info about it.

Answer 7

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ka is the dissociation constant of a weak acid. Example : for acetic acid ka = 1.8 x 10^-5 CH3COOH <---> CH3COO- + H+ ka = 1.8 x 10^-5 = [CH3COO-] [H+] / [CH3COOH] pka = - log ka In our case ka = - log 1.8 x 10^-5 = 4.74 kb is the dissociation constant of a weak base Example : for (C2H5)3 N kb = 5.2 x 10^-4 (C2H5)3N + H2O <----> (C2H5)3NH+ + OH- kb = 5.2 x 10^-4 = [(C2H5)3NH+] [ OH-] / [(C2H5)3N] pkb = - log kb In our case pkb = - log 5.2 x 10^-4 =3.28

Answer 8

If you're referring to K(sub)a, it refers to the ionization constant of an acid, likewise K(sub)b is the ionization constant of a base

Answer 9

acidity\ dissociation constant

Answer 10

It depends