The industrial process of "salting out" soap by adding massive amounts of cheap to a soap vat primar — Ionic Equilibrium Chemistry Question
Question
The industrial process of "salting out" soap by adding massive amounts of cheap $NaCl$ to a soap vat primarily relies on:
Answer: A
💡 Solution & Explanation
Adding NaCl floods the solution with the common ion $Na^+$. This drastically increases the ionic product $[RCOO^-][Na^+]$ above the soap's $K_{sp}$, forcing the equilibrium backward to precipitate the solid soap.
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