Considering the following titration curve and answer the questions that follows: 20 mL of the solution being titrated is present initially the approximate value of ionization constant of the species being titrated is

Considering the following titration curve and answer the questions tha

1.	Considering the following titration curve and answer the questions that follows: 20 mL of the solution being titrated is present initially the approximate value of ionization constant of the species being titrated is
Answer» `0.1 M` `0.2 M` `0.3 M` `0.001 M` Solution :At half equivalence point `PH = pK_(a) = 4` `:. K_(a) = 10^(-4)`