When an 8.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of 6.37 kJ times K⁻1, and the temperature decreases by 0.210 K, calculate the molar heat of the solution of KBr.
a) 30.4 kJ/mol
b) 15.2 kJ/mol
c) 7.6 kJ/mol
d) 3.8 kJ/mol
