A 5.71 g sample of an unknown salt (MM 116.82 g/mol) is dissolved in 150.00 g water in a coffee cup = calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72 °C. After the salt has completely dissolved, the temperature of the solution is 28.54 °C. If 3.14 x 10³ J of heat was gained by the solution, what is the total heat for the dissolution reaction of the 5.71 g of salt? +

Chemistry
10th Edition
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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7:30 PM Sat Mar 25
Question 45.e of 45
A 5.71 g sample of an unknown salt
(MM 116.82 g/mol) is dissolved
in 150.00 g water in a coffee cup
calorimeter. Before placing the
sample in the water, the
temperature of the salt and water is
23.72 °C. After the salt has
completely dissolved, the
temperature of the solution is
28.54 °C.
=
If 3.14 x 10³ J of heat was gained
by the solution, what is the total
heat for the dissolution reaction of
the 5.71 g of salt?
Tap here or pull up for additional resources
+
Transcribed Image Text:7:30 PM Sat Mar 25 Question 45.e of 45 A 5.71 g sample of an unknown salt (MM 116.82 g/mol) is dissolved in 150.00 g water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72 °C. After the salt has completely dissolved, the temperature of the solution is 28.54 °C. = If 3.14 x 10³ J of heat was gained by the solution, what is the total heat for the dissolution reaction of the 5.71 g of salt? Tap here or pull up for additional resources +
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