Consider Solving for the Molar Solubility of a 3:1 Electrolyte

question 125

Multiple Choice

Consider solving for the molar solubility of a 3:1 electrolyte such as Ag₃PO₄ . Ag₃PO₄ (s) 3 Ag 1+ (aq) + PO₄ 3 - (aq)
After constructing an ICE table and writing a solubility constant expression for this process, what solubility product expression listed below would be suitable for solving for x which could then be related to the equilibrium concentrations of Ag 1+ and PO₄ 3 - ion concentrations and through stoichiometry can be related to the solubility of Ag 3 PO₄ in water?

• A) K _sp = 3x³
• B) K _sp = 27x³
• C) K _sp = x⁴
• D) K _sp = 3x⁴
• E) K _sp = 27x⁴

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