式溪享化学与分子科学学院 WUHRN UNIVERSITY 金属离子M,cwVM,用cY浓度的Y滴定，体积为Vy [M']+[MY]=VM/(VM+Vy)CM MBE [Y']+[MY]=Vy/(VM+Vy)cy [MY] [M'I[Y'] K'MYIM'+K'MY(CyVy-CMVM)/(VM+Vy)+1}[M] -VM/(VM+Vy)CM=0 —滴定曲线方程 sp时：CYVY-CMVM=0 KMY.CMSP≥106 pM'sp=1/2 (Ig K'My+pCMSP) 或溪大穿 Wuhan University MBE [M] + [MY] = VM/(VM＋VY)cM [Y] +[MY] = VY/(VM＋VY) cY K MY = [MY] [M][Y] K MY[M] 2 + {K MY(cYVY-cMVM)/(VM+VY)+1}[M] - VM/(VM＋VY)cM = 0 ——滴定曲线方程 sp时：cYVY-cMVM ＝0 pM sp = 1/2 ( lg K MY + pcM sp) K’ MYCM sp  106 金属离子 M, cM, VM ， 用cY浓度的Y滴定，体积为VY