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A Solution of NaF Is Added Dropwise to a Solution

Question 29

Multiple Choice

A solution of NaF is added dropwise to a solution that is 0.0144 M in Ba2+.When the concentration of A solution of NaF is added dropwise to a solution that is 0.0144 M in Ba<sup>2+</sup>.When the concentration of exceeds ________ M,BaF<sub>2</sub> will precipitate.Neglect volume changes.For BaF<sub>2</sub>,K<sub>sp</sub> = 1.7 × 10<sup>-6</sup>. A) 5.9 × 10<sup>-</sup><sup>5</sup> B) 1.1 × 10<sup>-2</sup> C) 2.4 × 10<sup>-</sup><sup>8</sup> D) 2.7 × 10<sup>-</sup><sup>3</sup> E) 1.2 × 10<sup>-4</sup> exceeds ________ M,BaF2 will precipitate.Neglect volume changes.For BaF2,Ksp = 1.7 × 10-6.


A) 5.9 × 10-5
B) 1.1 × 10-2
C) 2.4 × 10-8
D) 2.7 × 10-3
E) 1.2 × 10-4

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