Calculate the enthalpy change when infinity dilute solutions of CaCl2 – InterviewSolution

1.	Calculate the enthalpy change when infinity dilute solutions of CaCl2 and Na2CO3 are mixed. ΔH∘f for Ca2+(aq),CO2−3(aq) and CaCO3(s) are -129.65 and -288.45 kcal mol−1 respectively.
Answer» Calculate the enthalpy change when infinity dilute solutions of $C a C l_{2}$ and $N a_{2} C O_{3}$ are mixed. $Δ H_{f}^{\circ}$ for $C a^{2 + (a q), C O_{3}^{2 -}} (a q)$ and $C a C O_{3} (s)$ are -129.65 and -288.45 kcal mol $^{- 1}$ respectively.

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