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Using free energy, predict the solubility of calcium sulfate at 298 K based on the equation,...

Using free energy, predict the solubility of calcium sulfate at 298 K based on the equation, CaSO4(s) ⇌ Ca2+(aq) + SO42-(aq). ∆G° for CaSO4(s), Ca2+(aq), and SO42-(aq) is -1320.3 kJ, -553.6 kJ, and -744.63 kJ, respectively.

Group of answer choices

A. 1.35 × 10-4 M

B. 1.58 g/L

C. 2.1 g/L

D. 4.93 × 10-5 M

E. 1.16 × 10-2 g/L

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