# Calculation of when a compound precipitates given pH of a solution.?

An aqueous solution of Ni(NO3)2 is slowly added to a beaker of water with a pH of 9.85. At what concentration of Ni(NO3)2 will Ni(OH)2start to precipitate? Ksp for nickel(II) hydroxide is 1.60 x 10-14.
4.21 x 10-6 M
3.63 x 10-6 M
3.05 x 10-6 M
3.19 x 10-6 M
3.73 x 10-6 M
2.92 x 10-6 M
4.24 x 10-6 M
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An aqueous solution of Ni(NO3)2 is slowly added to a beaker of water with a pH of 9.85. At what concentration of Ni(NO3)2 will Ni(OH)2start to precipitate? Ksp for nickel(II) hydroxide is 1.60 x 10-14.

4.21 x 10-6 M

3.63 x 10-6 M

3.05 x 10-6 M

3.19 x 10-6 M

3.73 x 10-6 M

2.92 x 10-6 M

4.24 x 10-6 M

4.21 x 10-6 M

3.63 x 10-6 M

3.05 x 10-6 M

3.19 x 10-6 M

3.73 x 10-6 M

2.92 x 10-6 M

4.24 x 10-6 M

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