Chemistry

The fluoride ion concentration in a saturated solution of magnesium fluoride, MgF2, is 2.3 10-3 M. Calculate the value for the equilibrium constant.

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asked by Harry
  1. ............MgF2 ==> Mg^2+ + 2F^-
    I...........solid.....0.......0
    C...........solid.....x.......2x
    E...........solid.....x.......2x

    Ksp = (x)(2x)^2
    You know x = 2.3E-3M.Substitute and solve for Ksp.

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    posted by DrBob222

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