Using the solubility curve in the 2nd picture, answer the following questions. 10090NaNO,807060cacl5040KCINaCKĆIO,3010Ce,(SO,),103040506070Temperature (°C)9010080ON2020Solubility (g of salt in 100 g H,O) 8. How many grams of CaCl, will be dissolved in 50g of water at 70°C29. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C?10. How many grams of water must be added to 35g of KNO, to producea saturated solution at 30°C?

We need to check solubility value at particular temperature from graph.

8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C? 10. How many grams of water must be added to 35g of KNO, to produce a saturated solution at 30°C?

8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C? 10. How many grams of water must be added to 35g of KNO, to produce a saturated solution at 30°C?

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.49PAE: 12.49 The Safe Drinking Water Act of 1974 established the maximum permitted concentration of silver...

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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

Using the solubility curve in the 2nd picture, answer the following questions.

100
90
NaNO,
80
70
60
cacl
50
40
KCI
NaC
KĆIO,
30
10
Ce,(SO,),
10
30
40
50
60
70
Temperature (°C)
90
100
80
ON
20
20
Solubility (g of salt in 100 g H,O)

8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2
9. What amount of water is needed to dissolve 450g of Pb(NO,), at 40°C?
10. How many grams of water must be added to 35g of KNO, to produce
a saturated solution at 30°C?

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