Question

A coffee cup calorimeter was used to measure the heat of solution, the change in enthalpy that occurs when a solid dissolves in water. A 10.0 g sample of an ionic compound with a molar mass of 160.0 g/mol was added to a sample of deionized water to produce 60.0 grams of solution. After stirring and dissolving the solid, the temperature was found to change from 25.00 ∘C to 23.92 ∘C . Calculate the enthalpy of solution, Δ????soln , per mole of salt dissolved. Assume the specific heat of the solution is 4.07 J/(g⋅∘C ) and the heat capacity of the calorimeter is 5.30 J/ ∘C .

Answer 1

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Explanation: