12. A 15.00 g sample of a solid substance is placed in 100.0 g of water at 25°C, and all of the solid dissolves. Then another 2.00 g of the substance is added, and all of it dissolves. A final 2.00 g is added, and none of it dissolves. a. Is the first solution saturated, unsaturated, or supersaturated? b. Is the second solution saturated, unsaturated, or supersaturated? C. What can you tell about the final solution that is in contact with the solid?
12. A 15.00 g sample of a solid substance is placed in 100.0 g of water at 25°C, and all of the solid dissolves. Then another 2.00 g of the substance is added, and all of it dissolves. A final 2.00 g is added, and none of it dissolves. a. Is the first solution saturated, unsaturated, or supersaturated? b. Is the second solution saturated, unsaturated, or supersaturated? C. What can you tell about the final solution that is in contact with the solid?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 28QRT
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Transcribed Image Text:12. A 15.00g sample of a solid substance is placed in 100.0 g of water at 25°C, and all of
the solid dissolves. Then another 2.00 g of the substance is added, and all of it dissolves. A
final 2.00 g is added, and none of it dissolves.
a. Is the first solution saturated, unsaturated, or supersaturated?
b. Is the second solution saturated, unsaturated, or supersaturated?
C. What can you tell about the final solution that is in contact with the solid?
Expert Solution
Step 1
Unsaturated solution: a solution that contains less than the maximum amount solute that is capable of being dissolved.
Saturated solution: a solution that contains a maximum amount of solute that is capable being dissolved.
After the saturation no more solute can be dissolved in solution.
Super saturated solution: is a solution that contains more than the maximum amount of solute that is capable of being dissolved at a given paricular temperature.
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