申論題

25.  The molar solubility of Pb(IO₃)₂ in a 0.10 M NaIOs solution is 2.4 × at 25°C.

(25A, 2%) Calculate the solubility product constant of Pb(IO₃)₂. 

(25B, ) Calculate the molar solubility of Pb(IO₃)₂ in pure water. 

(25C, ) Calculate the standard Gibbs free energy change (△G) for the dissolution of Pb(IO₃)₂ in H2O. 

(25D, ) Calculate when a chemical equilibrium is reached after mixing 20.0 mL of0.10 M NaIO₃ with 20.0 mL of 0.025 M Pb(NO₃)₂.