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The molar solubility of lead iodide is 1.45*10^-3M at 20 degrees C and 6.5*10^-3M at 80 degrees C .
What are the values of delta H not and delta S not for dissolution of PbI2 ?

PbI2(s) ---> Pb2+(aq) + 2I- (aq)
You may assume that delta H and delta S are independent of temperature.

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