PLEASE HELP WITH THIS CHEM QUESTION!! Need help finding:
initial Pb2+ moles
initial I- moles
equilibrium I- moles
precipitated Pb2+ moles
precipitated I- moles
[Pb2+] at equilibrium
Ksp of PbI2

Given: 5ml of 0.0120M Pb(NO3)2, 2ml of 0.0300M KI, 3ml of 0.20M KNO3, (10ml total volume), 0.349 absorbance, and 5.21x 10^-3 M I- concentration at equilibrium

The molecules contain like 54 of water 

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.