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Grade: 11
        
Enthalpy of solution of anhydrous CuSO4 and hydrated CuSO4.5H2O are -66.5 and +11.7 KJ/mol. Calculate the enthalpy of hydration of anhydrous copper sulphate to pentahydrate.
2 months ago

Answers : (1)

Govind
15 Points
							
From Hess law
"The enthalphy change is constant for 
A reaction whether the reaction is carried out in one step or in more than one step."
 
  •   ∆H=-66.5-(+11.7)=-78.2 kJ/mol
one month ago
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