When a 2.00-g sample of kbr is dissolved in water in a calorimeter that has a total heat capacity of 0.7271 kj·k–1, the temperature decreases by 0.460 k. calculate the molar heat of solution of kbr

When a 2.00-g sample of kbr is dissolved in water in a calorimeter that has a total heat capacity of 0.7271 kj·k–1, the temperature decreases by 0.460 k. calculate the molar heat of solution of kbr?