Question 16The Ksp of barium fluoride is 1.00 x 10–6.The Ksp of calcium fluoride is 3.90 x 10–11.An aqueous solution of sodium fluoride is slowly added to a water sample that contains barium ion (4.65×10-2M ) and calcium ion (5.55×10-2M ). What is the remaining concentration of the first ion to precipitate when the second ion begins to precipitate?

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Asked Jun 5, 2019

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Question 16

The K_sp of barium fluoride is 1.00 x 10^–6.
The K_sp of calcium fluoride is 3.90 x 10^–11.

An aqueous solution of sodium fluoride is slowly added to a water sample that contains barium ion (4.65×10^-2M ) and calcium ion (5.55×10^-2M ). What is the remaining concentration of the first ion to precipitate when the second ion begins to precipitate?

Expert Answer

Step 1

Solubility product is the product of its dissolved ion concentrations to the power of their stoichiometric coefficients.

The K_sp of of barium fluoride is 1.00 x 10^–6 and the K_sp of calcium fluoride is 3.90 x 10^–11.

Step 2

The solubility product of barium fluoride can be represented as

Step 3

The solubility product and barium ion concentration is gi...

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