What Is the Molar Solubility of PbI₂ in 0

question 127

Multiple Choice

What is the molar solubility of PbI₂ in 0.25 M NaI?
K _sp(PbI₂) = 7.9×10 ^{- 9} (Hint:
Assume "x" is small to make math easier.)

• A) [PbI₂] = 4.9×10 ^{- 10} M
• B) [PbI₂] = 1.6×10 ^{- 8} M
• C) [PbI₂] = 3.2×10 ^{- 8} M
• D) [PbI₂] = 1.3×10 ^{- 7} M
• E) [PbI₂] = 1.3×10 ^{- 3} M

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