Do you think it is possible that an increase in temperature could cause a decrease in solubility? Explain your answer.

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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Question
Do you think it is possible that an increase in temperature could cause a decrease in
solubility? Explain your answer.
Amount of Solubility versus Temperature; Saturated and Unsaturated Solutions
Circle the appropriate response in each box; add any additional
observations or comments.
Line#
NaCI
NH.CI
Dissolved completely:
Dissolved completely:
1.0 g + 5 ml
H2O
1
yes or no
yes or no
Solution is:
saturated or unsaturated
Solution is:
saturated or unsaturated
Above + 1.4 g
Dissolved completely:
Dissolved completely:
yes or no
yes or no
Solution is:
saturated or unsaturated
Solution is:
saturated or unsaturated
Dissolved completely:
Dissolved completely:
yes or no
Above + heat
yes or no
Solution is:
Solution is:
saturated or unsaturated
saturated or unsaturated
4
Above +
Dissolved completely:
Dissolved completely:
cooling
yes or no
yes or no
Solution is:
saturated or unsaturated
Solution is:
saturated or unsaturated
Page 4 of 6
Transcribed Image Text:Do you think it is possible that an increase in temperature could cause a decrease in solubility? Explain your answer. Amount of Solubility versus Temperature; Saturated and Unsaturated Solutions Circle the appropriate response in each box; add any additional observations or comments. Line# NaCI NH.CI Dissolved completely: Dissolved completely: 1.0 g + 5 ml H2O 1 yes or no yes or no Solution is: saturated or unsaturated Solution is: saturated or unsaturated Above + 1.4 g Dissolved completely: Dissolved completely: yes or no yes or no Solution is: saturated or unsaturated Solution is: saturated or unsaturated Dissolved completely: Dissolved completely: yes or no Above + heat yes or no Solution is: Solution is: saturated or unsaturated saturated or unsaturated 4 Above + Dissolved completely: Dissolved completely: cooling yes or no yes or no Solution is: saturated or unsaturated Solution is: saturated or unsaturated Page 4 of 6
Questions
1. If you repeated steps 1-6 (in your green book) using 20 mL of the solution rather
than 6 ml, how would the results be different?
How would the results be the same? Explain your responses.
2. Give a specific example for each of the following types of solutions.
a. gas dissolved in gas:
b. gas dissolved in liquid:
c. solid dissolved in solid:
d. solid dissolved in gas:
3. Use the information in the solubility table below to respond to each of the
following questions.
a. Which salt is most soluble in water at 0 °C?
b. Which salt is least soluble in water at 0 °C?
c. Which salt is least soluble in water at 100 °C?
d. What is the mass % of NaCI in a saturated solution at 40 °C? (Show all
work). Do this problem after you have completed problems e-g.
Page 5 of 6
Transcribed Image Text:Questions 1. If you repeated steps 1-6 (in your green book) using 20 mL of the solution rather than 6 ml, how would the results be different? How would the results be the same? Explain your responses. 2. Give a specific example for each of the following types of solutions. a. gas dissolved in gas: b. gas dissolved in liquid: c. solid dissolved in solid: d. solid dissolved in gas: 3. Use the information in the solubility table below to respond to each of the following questions. a. Which salt is most soluble in water at 0 °C? b. Which salt is least soluble in water at 0 °C? c. Which salt is least soluble in water at 100 °C? d. What is the mass % of NaCI in a saturated solution at 40 °C? (Show all work). Do this problem after you have completed problems e-g. Page 5 of 6
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