6.2Mohr法一测定c'和Br 指示剂：KCrO4 滴定剂：AgNO3(0.1moL-1) sp:IAg*]=ICI]=KSp (I=0.1) =√3.2×1010 =1.8×10smol.L1 ep:IAg"1- Ksp(Ag2CrO) [CrO,"] 5×10- 3.2×10-5mol/L 、 5×10-3 K实验确定(5%K2CrO4lmL) [AgIp>[Ag+Isp,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)