The Solubility Product Constant, K_sp, at 25°C for AgI(s) in Water

question 46

Multiple Choice

The solubility product constant, K_sp, at 25°C for AgI(s) in water has the value 8.3 × 10^-17. Calculate ΔG at 25°C for the process AgI(s) Ag⁺(aq) + I^-(aq) where [Ag⁺] = 9.1 × 10^{-9 M} and [I^-] = 9.1 × 10^{-9 M}. (R = 8.314 J/K • mol)

• A) +4.4 kJ/mol
• B) +91.7 kJ/mol
• C) 0.0 kJ/mol
• D) -91.7 kJ/mol
• E) -4.4 kJ/mol

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Definitions:

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