, and of are 4, 8, 12 respectively (at T K). To a 50 mL solution of 0.1 M , 50 mL 0.2…

CHEMISTRY · Subjective · AP · Chemistry · Acids and Bases · Acids and Bases

Problem

pK_{a1}

pK_{a2}

and

pK_{a3}

H_3PO_4

are 4, 8, 12 respectively (at T K). To a 50 mL solution of 0.1 M

Na_3PO_4

, 50 mL 0.2 M HCl is added. Find the pH of the mixture obtained at T K.