Respuesta :
FeF₂(s) ⇄ Fe²⁺ + 2 F⁻
let x = [FeF₂]. 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
let x = [FeF₂]. 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