When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.22°C. How many grams of each substance was in the mixture? Include the mass of salts in calculation of heat generated. g NH4CI = 5.74 g CaCl2 = 0.44

Chemistry: The Molecular Science
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Chapter4: Energy And Chemical Reactions
Section4.8: Measuring Reaction Enthalpies: Calorimetry
Problem 4.17E
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X Incorrect. Be sure to balance all the dissolution equations to make sure you get the correct values for the enthalpies.
When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose
by 4.22°C. How many grams of each substance was in the mixture?
Include the mass of salts in calculation of heat generated.
g NH4CI =
5.74
g Cačl2 =
0.44
Transcribed Image Text:X Incorrect. Be sure to balance all the dissolution equations to make sure you get the correct values for the enthalpies. When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.22°C. How many grams of each substance was in the mixture? Include the mass of salts in calculation of heat generated. g NH4CI = 5.74 g Cačl2 = 0.44
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