Which Compound Has the Lowest Solubility in Pure Water

question 36

Multiple Choice

Which compound has the lowest solubility in pure water?

• A) Ag₂C₂O₄, K_sp = 1.0 × 10^-11
• B) PbCl₂, K_sp = 1.7 × 10^-5
• C) FePO₄, K_sp = 1.3 × 10^-22
• D) Ca₃(PO₄)₂, K_sp = 1.2 × 10^-26
• E) MgF₂, K_sp = 6.9 × 10^-9

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