45. Fig. 9 presents a plot of change in KNO3 solubility in water with increasing temperature. This plot shows the concentration of the saturated solution expressed in g of KNO3 per 100 g of H₂O. Calculate the molarity of this solution at 30ºC knowing that the density at this temperature equals 1.25 g/cm³. g. 9, Change in KNO3 solubility water with increasing mperature A. 12.4 mol/dm³ B. 5.0 mol/dm³ C. 4.0 mol/dm³ D. 3.6 mol//dm³ E. 1.8 mol/dm³ solubility g of KNO3 in 100g of H₂O 100 90 80 70 60 50 40 30 20 10 0 0 10 20 20 30 40 50 temperature / °C 60 60 70 10
45. Fig. 9 presents a plot of change in KNO3 solubility in water with increasing temperature. This plot shows the concentration of the saturated solution expressed in g of KNO3 per 100 g of H₂O. Calculate the molarity of this solution at 30ºC knowing that the density at this temperature equals 1.25 g/cm³. g. 9, Change in KNO3 solubility water with increasing mperature A. 12.4 mol/dm³ B. 5.0 mol/dm³ C. 4.0 mol/dm³ D. 3.6 mol//dm³ E. 1.8 mol/dm³ solubility g of KNO3 in 100g of H₂O 100 90 80 70 60 50 40 30 20 10 0 0 10 20 20 30 40 50 temperature / °C 60 60 70 10
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter13: Solutions And Their Behavior
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Problem 18PS: Some lithium chloride, LiCl, is dissolved in 100 mL of water in one beaker, and some Li2SO4 is...
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Transcribed Image Text:45. Fig. 9 presents a plot of change in KNO3 solubility in water with increasing temperature. This plot
shows the concentration of the saturated solution expressed in g of KNO3 per 100 g of H2O. Calculate
the molarity of this solution at 30ºC knowing that the density at this temperature equals 1.25 g/cm³.
100
90
Fig. 9, Change in KNO3 solubility
in water with increasing
temperature
A. 12.4 mol/dm³
B. 5.0 mol/dm³
C. 4.0 mol/dm³
D. 3.6 mol//dm³
E. 1.8 mol/dm³
solubility
g of KNO3 in 100g of H₂O
80
70
60
50
40
30
20
10
0
0
10
20
30
30
40 50 60 70
temperature/°C
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