What is the use of common salt in soap industry?
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soap manufacturing process, after the saponification reaction, soap is washed with concentrated brine solution (NaCl) to separate glycerin. Salt separates glycerol from water. Hence the "neat soap" is precipitated from the saponification solution by adding common salt.
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Answer:
In soap manufacturing process, after the saponification reaction, soap is washed with concentrated brine solution (NaCl) to separate glycerin. Salt separates glycerol from water. Hence the "neat soap" is precipitated from the saponification solution by adding common salt.
Explanation:
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