Respuesta :

FeF₂(s) ⇄ Fe²⁺ + 2 F⁻

let x = [FeF
₂]. then [Fe²⁺] = x and [F⁻] = 2x (by the reaction)

Ksp = [
Fe²⁺][F⁻]²
2.36 x 10⁻⁶ = x(2x)²
x = 8.387 × 10⁻³ M =
[FeF₂]

the solubility of
FeF₂ in water is 8.39 × 10⁻³ M

Answer:

The person above is correct

Explanation: