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what concentration of hydroxide ion ust be exceeded in a .01M solution of nickel(II) nitrate in order to precipitate nickel (II) hydroxide?

  • chemistry -

    Ni(OH)2 ==> Ni^2+ + 2OH^-

    Ksp = (Ni^2+)(OH^-)^2
    (Ni^2+) = 0.01 in the problem.
    Solve for OH^-.

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