Given the following $K_a$ values, determine which species is the strongest base ?
$ \mathrm{HSO}_4^

Question

Given the following $K_a$ values, determine which species is the strongest base ? 
$ \mathrm{HSO}_4^{-}=1.2 	imes 10^{-2}, \mathrm{H}_2 \mathrm{PO}_4^{-}=6.3 	imes 10^{-8}, \mathrm{HCO}_3^{-}=4.7 	imes 10^{-11} $

Professor PC Thomas Classes · Answer

(a) For a conjugate acid-base pair,
$
K_a \cdot K_b=K_w
$