Question: For CaF 2 (s) Ca 2+ (aq) + 2 F (aq), K = 3.9 10 11 at 25C and the standard Gibbs energy

For CaF₂(s) ⇌ Ca²⁺(aq) + 2 F⁻(aq), K = 3.9 ×10⁻¹¹ at 25°C and the standard Gibbs energy of formation of CaF₂(s) is −1167 kJ mol⁻¹. Calculate the standard Gibbs energy of formation of CaF₂(aq).

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