The heat of solution of anhydrous is and that of is

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

The heat of solution of anhydrous CuSO4\text{CuSO}_4 is −15.9 kcal-15.9 \text{ kcal} and that of CuSO4⋅5H2O\text{CuSO}_4 \cdot 5\text{H}_2\text{O} is 2.8 kcal2.8 \text{ kcal}. Calculate the heat of hydration of CuSO4\text{CuSO}_4 .

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