(a) Place the liquids tested in order of their increasing solubility of NaCl. (b) Explain the trend in solubility of NaCl in the three liquids using your knowledge of the process by which ionic solids dissolve and the intermolecular forces involved. Include at least one labelled diagram to support your explanation.

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Question 27
In an investigation to determine the solubility of NaCl in water, methanol and
hexane, a student added 40.0 g of NaCl to 100.0 mL of each liquid maintained at
a temperature of 25°C.
After 2 minutes of stirring each mixture, the mass of undissolved salt was
determined through filtering the mixture and weighing the residue.
The results of the investigation are shown below.
Liquid
Mass of NaCI(s)
recovered by filtration
(g)
hexane
39.9
methanol
38.6
water
3.85
(a)
Place the liquids tested in order of their increasing solubility of NaCl.
(b) Explain the trend in solubility of NaCl in the three liquids using your
knowledge of the process by which ionic solids dissolve and the
intermolecular forces involved.
Include at least one labelled diagram to support your explanation.
Transcribed Image Text:Question 27 In an investigation to determine the solubility of NaCl in water, methanol and hexane, a student added 40.0 g of NaCl to 100.0 mL of each liquid maintained at a temperature of 25°C. After 2 minutes of stirring each mixture, the mass of undissolved salt was determined through filtering the mixture and weighing the residue. The results of the investigation are shown below. Liquid Mass of NaCI(s) recovered by filtration (g) hexane 39.9 methanol 38.6 water 3.85 (a) Place the liquids tested in order of their increasing solubility of NaCl. (b) Explain the trend in solubility of NaCl in the three liquids using your knowledge of the process by which ionic solids dissolve and the intermolecular forces involved. Include at least one labelled diagram to support your explanation.
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