Data Sheet sample calculation for the solubility of KNO, using your actual mass from tube #1. Complete gives the recommended mass of salt to dissolve in each of the four test tubes. Show a your graph on the back of this sheet. Solution # Recommended mass KNO, Solubility Actual mass of KNO, (g per 5 ml. H₂O) Saturation. temperature 8 KNO, (g) 100 g H,O (°C) 1 2.0 2.1971 51.3 2 4.0 11.1568 62.5 3 6.0 6.0112 72.7 83.6 4 8.0 8.06 Sample Solubility Calculation: Questions 1. According to your data, how does the solubility of KNO, change with increasi- temperature? Does this indicate an endothermic or exothermic dissolving process? Explain. 2. Using your graph, indicate if each of these solutions would be saturated or unsaturated: a) 110 g of KNO, in 100 g of water at 40 °C b) 60 g of KNO3 in 100 g of water at 70 °C c) 140 g of KNO3 in 100 g of water at 60 °C According to your graph, what mass of KNO3 will dissolve in 100 g of water at 30 °C?

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 27QRT: Refer to Figure 13.10 ( Sec. 13-4b) to answer these questions. (a) Does a saturated solution occur...
icon
Related questions
Question
Data Sheet
4
ble gives the recommended mass of salt to dissolve in each of the four test tubes. Show a
sample calculation for the solubility of KNO, using your actual mass from tube #1. Complete
your graph on the back of this sheet.
Solution #
Recommended
mass KNO3
Actual mass of KNO,
(g per 5 mL H₂O)
Solubility
& KNO,
100 g H₂O
Saturation
temperature
(°C)
(g)
1
2.0
51.3
2.1971
2
62.5
4.0
11.1568
3
72.7
6.0
6.0112
83.6
4
8.0
806
Sample Solubility Calculation:
Questions
1. According to your data, how does the solubility of KNO, change with increasing
temperature? Does this indicate an endothermic or exothermic dissolving process? Explain.
2. Using your graph, indicate if each of these solutions would be saturated or unsaturated:
a) 110 g of KNO3 in 100 g of water at 40 °C
b) 60 g of KNO3 in 100 g of water at 70 °C
c) 140 g of KNO3 in 100 g of water at 60 °C
3. According to your graph, what mass of KNO3 will dissolve in 100 g of water at 30 °C?
Transcribed Image Text:Data Sheet 4 ble gives the recommended mass of salt to dissolve in each of the four test tubes. Show a sample calculation for the solubility of KNO, using your actual mass from tube #1. Complete your graph on the back of this sheet. Solution # Recommended mass KNO3 Actual mass of KNO, (g per 5 mL H₂O) Solubility & KNO, 100 g H₂O Saturation temperature (°C) (g) 1 2.0 51.3 2.1971 2 62.5 4.0 11.1568 3 72.7 6.0 6.0112 83.6 4 8.0 806 Sample Solubility Calculation: Questions 1. According to your data, how does the solubility of KNO, change with increasing temperature? Does this indicate an endothermic or exothermic dissolving process? Explain. 2. Using your graph, indicate if each of these solutions would be saturated or unsaturated: a) 110 g of KNO3 in 100 g of water at 40 °C b) 60 g of KNO3 in 100 g of water at 70 °C c) 140 g of KNO3 in 100 g of water at 60 °C 3. According to your graph, what mass of KNO3 will dissolve in 100 g of water at 30 °C?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 1 images

Blurred answer
Knowledge Booster
Solutions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
General, Organic, and Biological Chemistry
General, Organic, and Biological Chemistry
Chemistry
ISBN:
9781285853918
Author:
H. Stephen Stoker
Publisher:
Cengage Learning
Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
Chemistry
ISBN:
9781285869759
Author:
Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Principles of Modern Chemistry
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning