The molar solubility of lead iodide is 1.45*10^-3M at 20 degrees C and 6.85*10^-3M at 80 degrees C
What are the values of delta H (enthalpy) and delta S (entropy) for dissolution of PbI2?
PbI2 ---->(Pb2+) + 2I
You may assume that delta H and delta S are independent of temperature.