A Solution of NaF Is Added Dropwise to a Solution

question 18

Multiple Choice

A solution of NaF is added dropwise to a solution that is 0.0188 mol L^-1 in . When the concentration of exceeds ________ mol L^-1, will precipitate. Neglect volume changes. For ,

• A) 9.0 × 10^-5
• B) 3.2 × 10^-8
• C) 4.5 × 10^-5
• D) 2.4 × 10^-3
• E) 9.5 × 10^-3

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