Which of the Following Sulfates Is Least Soluble in Water

question 93

Multiple Choice

Which of the following sulfates is least soluble in water?

• A) BaSO₄; K _sp = 1.1×10 ^{- 10}
• B) CaSO₄; K _sp = 2.4×10 ^{- 5}
• C) PbSO₄; K _sp = 1.6×10 ^{- 8}
• D) RaSO₄; K _sp = 2.0×10 ^{- 11}
• E) SrSO₄; K _sp = 3.2×10 ^{- 7}

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