How Many Moles of CaF₂ Will Dissolve in 3

question 118

Multiple Choice

How many moles of CaF₂ will dissolve in 3.0 L of 0.050 M NaF solution? (K_sp for CaF₂ = 4.0  10^-11)

• A) 4.8  10^-8 mol
• B) 8.9  10^-9 mol
• C) 8.0  10^-8 mol
• D) 2.7  10^-8 mol
• E) none of these

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