When a 5.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 3.978 kJ·K–1, the temperature decreases by 0.290 K. Calculate the molar heat of solution of KCl.

Answer 1

Ccal x delta T = q
q/g = heat soln/g
(q/g)*molar mass = q/mol

Answer 2

186.2