Use the solubility chart @ the bottom to answer the following questions. 5. How much KNO3 should be able to dissolve at 65°C in 100 g of water? 6. Which compound's solubility changes the least as the temperature is increased? 7. Which compound has the lowest solubility at 50°C? At 10°C? 8. At what temperature can only 80 g of NaNO3 dissolve in 100 g of water? 9. If you dissolved exactly 100 g of KCl in 100 g of water at 80°C, would the solution be saturated, unsaturated, or supersaturated? 10. If you dissolved 125 g of NaNO3 at 60 °C and then cooled the solution down to 40 °C, what would the solution be considered? Saturated, unsaturated, or supersaturated? Grams of solute per 100 g H₂O 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 O NH3 10 20 NaNO3 KCIÓ3 NHẠC 30 KCI Naci Ce₂(SO4)3 40 (50 60 70 Temperature (°C) 80 90 100

Use the solubility chart @ the bottom to answer the following questions. 5. How much KNO3 should be able to dissolve at 65°C in 100 g of water? 6. Which compound's solubility changes the least as the temperature is increased? 7. Which compound has the lowest solubility at 50°C? At 10°C? 8. At what temperature can only 80 g of NaNO3 dissolve in 100 g of water? 9. If you dissolved exactly 100 g of KCl in 100 g of water at 80°C, would the solution be saturated, unsaturated, or supersaturated? 10. If you dissolved 125 g of NaNO3 at 60 °C and then cooled the solution down to 40 °C, what would the solution be considered? Saturated, unsaturated, or supersaturated? Grams of solute per 100 g H₂O 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 O NH3 10 20 NaNO3 KCIÓ3 NHẠC 30 KCI Naci Ce₂(SO4)3 40 (50 60 70 Temperature (°C) 80 90 100

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.38E

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

100%

5 and 6

Use the solubility chart @ the bottom to answer the following questions.
5. How much KNO3 should be able to dissolve at 65°C in 100 g of water?
6. Which compound's solubility changes the least as the temperature is increased?
7. Which compound has the lowest solubility at 50°C? At 10°C?
8. At what temperature can only 80 g of NaNO3 dissolve in 100 g of water?
9. If you dissolved exactly 100 g of KCl in 100 g of water at 80°C, would the solution be saturated, unsaturated,
or supersaturated?
10. If you dissolved 125 g of NaNO3 at 60 °C and then cooled the solution down to 40 °C, what would the
solution be considered? Saturated, unsaturated, or supersaturated?
Grams of solute
per 100 g H₂O
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
O
NH3
10 20
NaNO3
KCIO3.
NHẠC
30
KCI
Naci
Ce2(SO4)3
50
40
60
Temperature (°C)
70
80
90
100

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