The Ksp of barium fluoride, BaF2, is 1.6 x 10-6. A solution of 5.0M NaF is added dropwise to a 2.0L solution that is 0.016 M in Ba2+. When the concentration of fluoride ion exceeds M, BaF2 will precipitate. What volume (in mL) of NaF must be added to cause BaF2 to precipitate? mL
Answers: 3
to precipitate.![[Ba^{2+}]=0.016 M](/tpl/images/0571/5236/69271.png)
![K_{sp}=[Ba^{2+}][F^-]^2](/tpl/images/0571/5236/2804d.png)
![1.6\times 10^{-6}=[0.016 M]\times [F^-]^2](/tpl/images/0571/5236/5c597.png)
![[F^-]=0.01 M](/tpl/images/0571/5236/09813.png)
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The Ksp of barium fluoride, BaF2, is 1.6 x 10-6. A solution of 5.0M NaF is added dropwise to a 2.0L...
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