A 690 g of 59% strontium bromide solution is cooled from 60 oC to a certain temperature. Upon addition of around 2 g of strontium bromide, excess solute above saturation started to crystallize. Total recovered crystals is 146.003 g. How many solute is initially dissolved?

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter7: Equilibria In Multiple-component Systems
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Problem 7.53E
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A 690 g of 59% strontium bromide solution is cooled from 60 oC to a certain temperature. Upon addition of around 2 g of strontium bromide, excess solute above saturation started to crystallize. Total recovered crystals is 146.003 g.

How many solute is initially dissolved?

Temperature, °C
Solubility (g/100 g of water)
Cuso4
75.4
LIOH
KBr
SrBr2
100
17.5
104.0
222.5
90
99.2
80
15.3
55.0
95.0
181.8
70
90.0
60
13.8
40.0
85.5
150.0
50
13.3
33.3
80.2
135.8
40
13.0
28.5
75.5
123.2
30
12.9
25.0
70.6
111.9
20
12.8
20.7
65.2
102.4
10
12.7
17.4
59.5
93.0
12.7
14.3
53.5
85.2
Transcribed Image Text:Temperature, °C Solubility (g/100 g of water) Cuso4 75.4 LIOH KBr SrBr2 100 17.5 104.0 222.5 90 99.2 80 15.3 55.0 95.0 181.8 70 90.0 60 13.8 40.0 85.5 150.0 50 13.3 33.3 80.2 135.8 40 13.0 28.5 75.5 123.2 30 12.9 25.0 70.6 111.9 20 12.8 20.7 65.2 102.4 10 12.7 17.4 59.5 93.0 12.7 14.3 53.5 85.2
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