The hydration of anhydrous copper sulfate is represented by the following reaction:
CuSO4 (s) + 5 H2O (l) → CuSO4·5H2O (s)
Select the best answer from the choices below.
a.There is too little information to decide whether the reaction is exothermic or endothermic.
b.The hydration of anhydrous copper salt is an exothermic reaction.
c.The hydration of anhydrous copper salt is an endothermic reaction.
d.It is impossible to know whether the reaction is exothermic or endothermic.