解析:
298K时,Ksp(PbCl2)= 1.6×10^(-5)
Ksp(PbCl2)= c(2+)× [ c(-)]^2
c(-)= [ Ksp(PbCl2)/ c(2+)]^(1/2)
= [ 1.6×10^(-5)/ 0.2 ]^(1/2)
= 4×10^(-2) ...
解析:
298K时,Ksp(PbCl2)= 1.6×10^(-5)
Ksp(PbCl2)= c(2+)× [ c(-)]^2
c(-)= [ Ksp(PbCl2)/ c(2+)]^(1/2)
= [ 1.6×10^(-5)/ 0.2 ]^(1/2)
= 4×10^(-2) ...