A Improvement of the Student's Experiment in Physical Chemistry(Ⅳ)-Computing of the Titration Curves in the Reaction of the Mixtures consisted of Acids and its Salts with the Strong Base-

混合溶液の滴定曲線における塩の濃度や解離定数の値による影響を検討した。計算に用いたモデルは，一塩基酸とその塩および三塩基酸とその一水素塩からなる混合溶液を強塩基で滴定する反応系である。それぞれの系において溶液中の水素イオン濃度が満たす厳密的な関係式を導きだし，その式を数値計算法により解き各々の滴定曲線を算出した。We investigated the effects of concentration and dissociation constant of salts on the titration curves of the mixtures contained acids and its salts.Our models were the reactions of the strong base and the following mixtures:(a)monobasic acid and its salt,and(2)tribasic acid and its monohydrogen salts,i.e.B_2HA,repectively.The pH on the titration of each reaction was numerically computed the exact equations,which expressed the concentration of hydrogen ions in solution