The technique S is distillation. A is the distillation flask, B is the water condenser and C is the conical flask. The separable mixtures are water acetone and water salt because boiling points differ sufficiently.
Examine Fig. 5.26. (i) Identify the separation technique marked as S. (ii) Label the apparatus A, B and C. (iii) Which of the following mixtures can be separated by the technique identified above? Use the data given in Table 5.5. (a) water acetone (b) water salt (c) acetone alcohol (d) sand salt (e) alcohol chloroform (f) alcohol benzene
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The technique S shown in the figure is distillation. A is the distillation flask, where the mixture is heated. B is the water condenser, where vapour is cooled and condensed. C is the conical flask that collects the distillate. From Table 5.5, water and acetone can be separated because their boiling points differ by 44 °C and water and salt can be separated by distillation.
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