Consider the following equilibrium system:
PbCl₂(s) ⇌ Pb((aq))²⁺+ 2Cl(aq)⁻. Explain what happens to the solubility of PbCl₂ when the following substances are added to the solution.
A. PB(NO₃)₂
B. NaCl
C. H₂O
D. AgNO₃.



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