Use the Thermodynamic Data at 298 K Below to Determine

question 55

Multiple Choice

Use the thermodynamic data at 298 K below to determine the K_sp for barium carbonate, BaCO₃ at this temperature. Substance: Ba²⁺(aq) CO₃^2-(aq) BaCO₃(s)
ΔH°f (kJ/mol) : -538.36 -676.26 -1219
ΔG°f (kJ/mol) : -560.7 -528.1 -1139
S°(J/K·mol) : 13 -53.1 112

• A) 5.86
• B) 6.30 × 10⁸
• C) 1.59 × 10^-9
• D) 5.47 × 10^-21
• E) 2.18 × 10^-27

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