When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when 9.98 g of NaCio,s) are dissolved in 100.90 g of water, the temperature of the solution drops from 24.57 to 21.46 C Based on the student's observation, calculate the enthalpy of dissolution of NaCIo.s) in k/mel Assume the specific heat of the solution is equal to the specific heat of water AMsolubon k/mol

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When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter.
In the laboratory a general chemistry student finds that when 9.98 g of Nacio,(s) are dissolved in 100.90 g of water, the temperature of the solution drops from 24.57 to 21.46 "C.
Based on the student's observation, calculate the enthalpy of dissolution of Nacio.s) in k/mol.
Assume the specific heat of the solution is equal to the specific heat of water
AHgisolubon"
K/mol
Transcribed Image Text:When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. In the laboratory a general chemistry student finds that when 9.98 g of Nacio,(s) are dissolved in 100.90 g of water, the temperature of the solution drops from 24.57 to 21.46 "C. Based on the student's observation, calculate the enthalpy of dissolution of Nacio.s) in k/mol. Assume the specific heat of the solution is equal to the specific heat of water AHgisolubon" K/mol
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