The solubility of Li2CO3 in water at 298 K is 0.175 mol L–1, and its solubility decreases with incre — Thermodynamics Chemistry Question
Question
The solubility of Li2CO3 in water at 298 K is 0.175 mol L–1, and its solubility decreases with increasing temperature. What are the signs of ∆Hº and ∆Sº for the dissolution of Li2CO3?
Li2CO3(s) → 2 Li+(aq) + CO32–(aq)
A.
∆H° > 0, ∆S° > 0
B.
∆H° > 0, ∆S° < 0
C.
∆H° < 0, ∆S° > 0
D.✓ Correct
∆H° < 0, ∆S° < 0
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