Chemistry

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The compound A1B2 (molar mass = 132) has a solubility of 13 g/L. Calculate the Ksp for this compound.

I'm stuck on this question, please help?

  • Chemistry -

    AB2 ==> A^+2 + 2B^-
    solubility AB2 in moles/L = 13 g/L/molar mass AB2 = ??
    (AB2) = ??
    (A^+2) = ?? (same as AB2)
    (B^-) = 2 x ??
    Ksp = (A^+2)(B^-)^2 = you work it out.

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