(c) A saturated solution of barium chloride at 30°C contains 150 g water. How much additional barium chloride can be dissolved by heating this solution to 60°C?

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(a) What is the percentage by mass of NaCl in a saturated solution of sodium chloride at
50°C?
(b) Calculate the solubility of potassium bromide at 23°C. Hint: Assume that the solubility
increases by an equal amount for each degree between 20°C and 30°C.
(c) A saturated solution of barium chloride at 30°C contains 150 g water. How much additional
barium chloride can be dissolved by heating this solution to 60°C?
Transcribed Image Text:(a) What is the percentage by mass of NaCl in a saturated solution of sodium chloride at 50°C? (b) Calculate the solubility of potassium bromide at 23°C. Hint: Assume that the solubility increases by an equal amount for each degree between 20°C and 30°C. (c) A saturated solution of barium chloride at 30°C contains 150 g water. How much additional barium chloride can be dissolved by heating this solution to 60°C?
Temperature Effect on Solubility of Four Salts in Water, g solute/100 g water
0°C
10°C | 20°C | 30°C
40°C
50°C
60°C
70°C
80°C | 90°C 100°C
KCI
27.6 31.0
34.0
37.0
40.0
42.6
45.5
48.3
51.1
54.0
55.6
NaCl
35.7 35.8
36.0
36.3
36.6
37.0
37.3
37.8
38.4
39.0
39.8
KBr
53.5
59.5
65.2
70.6
75.5
80.2
85.5
90.0
95.0
99.2
104.0
BaCl, 31.6 33.3
ВаCl, |
35.7
38.2
40.7
43.6
46.6
49.4
52.6
55.7
58.8
Transcribed Image Text:Temperature Effect on Solubility of Four Salts in Water, g solute/100 g water 0°C 10°C | 20°C | 30°C 40°C 50°C 60°C 70°C 80°C | 90°C 100°C KCI 27.6 31.0 34.0 37.0 40.0 42.6 45.5 48.3 51.1 54.0 55.6 NaCl 35.7 35.8 36.0 36.3 36.6 37.0 37.3 37.8 38.4 39.0 39.8 KBr 53.5 59.5 65.2 70.6 75.5 80.2 85.5 90.0 95.0 99.2 104.0 BaCl, 31.6 33.3 ВаCl, | 35.7 38.2 40.7 43.6 46.6 49.4 52.6 55.7 58.8
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