Ka,Kb & Kw

K_b = K_a × K_w

K_b = K_w / K_a

K_b = K_a / K_w

K_b = K_w + K_a

water autoionizes very slowly

water autoionizes very quickly

water autoionizes only to a very small extent

the autoionization of water is exothermic

K_a

K_b

1/K_a

1/K_b

K_w

A

B

C

A

B

C

A

B

C

A

B

.01 M HC₂H₃O₂ . (K_a 1.8 x 10 ^-5)

.01 M HNO₂ . ( Ka =4.5 x 10 ^-4)

.01 M HClO . (Ka= 3.0 x 10 ^-8)

.01 M HF (Ka= 6.8 x 10 ^-4)

HClO

HClO₂

HClO₃

HClO₄

HA _(aq) + H₂O _(l) <---> H₂A^+ _(aq) + OH^-_(aq)

A^- _(aq) + H₃O⁺ _(aq) <---> HA _(aq) + H_2O _(l)

HA _(aq) + OH^- _(aq) <---> H₂O _(l) + H^+ _(aq)

A^- _(aq) + H₂O _(l) <---> HA _(aq) + OH^- _(aq)

A^- _(aq) + OH^- _(aq) <---> HOA^2- _(aq)