A solution is prepared by mixing equal volumes of weak acid HX ( ) and weak base B (…

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

A solution is prepared by mixing equal volumes of

0.100\,\text{M}

weak acid HX (

K_a = 3.2\times10^{-6}

) and

0.100\,\text{M}

weak base B (

K_b = 4.5\times10^{-5}

) in the presence of

0.050\,\text{M}

NaX. Calculate the pH of the mixture at

25\,^\circ\text{C}