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Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left. 3.0*10^-2 M BaNO3;NaF

  • chemistry -

    BaF2 ==> Ba^+ + 2F^-

    Ksp = (Ba^+2)(F^-)^2

    The problem tells you (Ba^+2) = 0.030M
    Substitute into Ksp and solve for (F^-)

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