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1. |
The heat of hydration of solution anhydrous \[CuS{{O}_{4}}\] and hydrated \[CuS{{O}_{4}}\cdot 5{{H}_{2}}O\] are - 66.5 and 11.7 kJ \[mo{{l}^{-1}}\]respectively. Calculate the heat of hydration of \[CuS{{O}_{4}}\] to \[CuS{{O}_{4}}\cdot 5{{H}_{2}}O\] |
A. | - 78.2 kJ |
B. | - 81.2 kJ |
C. | - 68.2 kJ |
D. | - 60.1 kJ |
Answer» B. - 81.2 kJ | |