Why sodium chloride is added to the mixture of fat and sodium hydroxide in the formation of soap.

Asked by  | 15th Mar, 2013, 04:44: PM

Expert Answer:

sodium chloride is added to precipitate the soap. The water layer is drawn off the top of the mixture and the glycerol is recovered using vacuum distillation.

Aswered by  | 16th Mar, 2013, 05:51: AM

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