62Mohr法一测定CI和Br 指示剂:K2CrO4滴定剂:AgNO3(0.1molL) sp:|Ag1=CI=√Ksp (I=0.1 =√32×1010 =18×105mol.L1 Ksn (Ag, CrOa ep. AgI CrO4 I 5×1012 =32×105mo/L 5×10 人实验确定(5%K2CrO4lmL) IAgt> AtiS,即终点在化学计量点之后7 6.2 Mohr法－测定Cl - 和Br- 指示剂：K2CrO4 滴定剂：AgNO3 (0.1mol·L-1 ) [Ag+ ]ep> [Ag+ ]sp , 即终点在化学计量点之后 + - - 10 - 5 -1 sp [Ag ] = [Cl ] = = 3.2 10 = 1.8 10 mol L sp: K    (I =0.1) + 2 4 2 - 4 -12 - 5 -3 sp(Ag CrO ) [Ag ] = [CrO ] 5 10 = = 3.2 10 mol/L 5 10 ep: K    实验确定(5%K2CrO41mL)