i need to find the;

Question

[Cl-] in PbCl2 solution,[Pb2+] in PbCl2 solution, and the ksp
given:

PbCl2(s)--> Pb2+(aq)+2Cl-(aq)
Temp of solution =20.2
volume of Pbcl2 solution=25.00ml
mass of dry AgCl2(g)=0.2543g

#moles :
AgCl(s)=1.77e-3
Cl(aq)=1.77e-3
Pb2+(aq)= 8.85e-4