theo minh thi phan ung :
FeCL3+6KSCN<=>K3[Fe(SCN)6](do mau)+3KCL
nhung co 1 dieu minh ko giai thich duoc khi lm thuc nghiem la:
khi tron 5ml fecl3 0,0025M voi 5ml kscn 0,002M sau do chia ra 4 lo
Lo1 : cho vao 1 giot fecl3 xuat hien do mau dam hon lo 4
Loø : cho vao 1 giot kscn xuat hien do mau nhung lai dam hon lo1
lo3 :cho kcl vao mau do nhat dan
lo 4 : de nguyen lam mau
vay ai co the giai thich dum minh
xin cam on nhiu
mai:
loc_loc858@yahoo.com