Calcium chloride is dissolved in 212 g liquid water in a coffee cup calorimeter. The temperature of the calorimeter and water is initially 25.0∘C. Upon dissolution, the final temperature of the solution and calorimeter is 37.6 ∘C. The heat capacity of the calorimeter is 0.850 kJ/C. The specific heat capacity of the solution is 4.18 J/(gC). The enthalpy of dissolution for calcium chloride is - 81.3 kJ/mol. What mass of calcium chloride was dissolved in this experiment? Hint: The mass of the solution includes water and solute. The units are grams. Do not include units in your answer.
Calcium chloride is dissolved in 212 g liquid water in a coffee cup calorimeter. The temperature of the calorimeter and water is initially 25.0∘C. Upon dissolution, the final temperature of the solution and calorimeter is 37.6 ∘C. The heat capacity of the calorimeter is 0.850 kJ/C. The specific heat capacity of the solution is 4.18 J/(gC). The enthalpy of dissolution for calcium chloride is - 81.3 kJ/mol. What mass of calcium chloride was dissolved in this experiment? Hint: The mass of the solution includes water and solute. The units are grams. Do not include units in your answer.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.6: Calorimetry
Problem 5.7CYU: Assume 200. mL of 0.400 M HCl is mixed with 200. mL of 0.400 M NaOH in a coffee-cup calorimeter The...
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Calcium chloride is dissolved in 212 g liquid water in a coffee cup calorimeter. The temperature of the calorimeter and water is initially 25.0∘C. Upon dissolution, the final temperature of the solution and calorimeter is 37.6 ∘C. The heat capacity of the calorimeter is 0.850 kJ/C. The specific heat capacity of the solution is 4.18 J/(gC). The enthalpy of dissolution for calcium chloride is - 81.3 kJ/mol. What mass of calcium chloride was dissolved in this experiment?
Hint: The mass of the solution includes water and solute. The units are grams. Do not include units in your answer.
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