`K_(a)` of a weak acid HA is 4x`10^(-5)` at `25^(@)C` ,Calculate degree of ionization of 8 x`10^(-5)M` aq solution of HA at `25^(@)`C

Calculate the degree of ionization of pure water at 25^@C .

Refer to an aqueous solution of formic acid, HCOOH , which has a K_(a) value of 1.9 xx 10^(-4) at 25^(@)C . What is the percent ionization of a 0.10 M solution of formic acid at 25^(@)C

Calculate degree of hydrolysis and pH of 0.25 NaCN solution at 25^@C . K_a=4.8xx10^(-10)

The degree of ionization of 0.10 M lactic acid is 4.0% The value of K_(C)