Chemistry, 06.11.2019 02:31 wirchakethan23
The heat of solution of calcium chloride is -121 kj/mol. given that the lattice energy of calcium chloride is -2258 kj/mol and the heat of hydration of a chloride ion is -338 kj/mol calculate the heat of hydration of a calcium ion.
Answers: 1
![\Delta H_{sol}=[1mol\times \Delta H_{hyd}(Ca^{2+})_{aq.}]+[2mol\times \Delta H_{hyd}(Cl^{-})_{aq.}]-[1mol\times U(CaCl_{2})_{s}]](/tpl/images/0361/2975/af20b.png)
is heat of solution, 
is heat of hydration and U represents lattice energy.
= -338 kJ/mol and 
= -2258 kJ/mol
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The heat of solution of calcium chloride is -121 kj/mol. given that the lattice energy of calcium ch...
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