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Help!!!
An unknown salt was dissolved to make a total 1.53g of solution. The temperature of the water decreased from
24.3C to 20.3C when 8mol were dissolved. What is the heat of solution in J/mol?

Respuesta :

narhjoe

Answer:

3.213J/mol

Explanation:

first specific heat capacity of water = 4200J/Kg K

Q=mass×temperature difference×specific heat capacity

Q=1.53×(24.3-20)×4200

Q=25.704 J

heat of solution= quantity of heat ÷ amount of substance

heat of solution= 25.704÷8

heat of solution= 3.213J/mol

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