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It depends on the salt. A salt of calcium, magnesium, or iron will form an insoluble compound that will precipitate with a soap molecule that is known as soap scum.

Here is a typical reaction:

Ca2+(aq) + 2C17H35COO-(aq) ==> (C17H35COO-)2Ca2+(s)

Sodium chloride will not form a precipitate with soap as long as the soap is a carboxylate.

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Related Questions

What is the balanced chemical equation for the reaction of aqueous calcium chloride with aqueous sodium carbonate to produce calcium carbonate precipitate in an aqueous sodium chloride solution?

The chemical reaction isȘCaCl2 + Na2CO3 = CaCO3 + 2 NaCl


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When aqueous sodium chloride and aqueous silver nitrate are mixed, a white precipitate of silver chloride is formed due to a double displacement reaction. The balanced chemical equation for the reaction is NaCl(aq) + AgNO3(aq) -> AgCl(s) + NaNO3(aq).


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No but it is aqueous


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The reaction is: NaCl + AgNO3 = NaNO3 + AgCl Silver chloride is a white precipitate.


Predict and explain which of the following systems are electrically conducters asolid Nacl bmolten Nacl can aqueous solution Nacl?

Solid NaCl is not an electrical conductor as the ions are held in a fixed lattice structure. Molten NaCl and aqueous solution NaCl are electrical conductors as the ions are free to move and carry charge, allowing for the conduction of electricity.


When solutions NACl and AgNO 3 are mixed what precipitate forms?

NaCl(aq) + AgNO3(aq) = AgCl(s) + NaNO3(aq) - so the precipitate is white silver chloride.


Will KNO3 and NaCl form a precipitate when mixed together?

No, KNO3 and NaCl will not form a precipitate when mixed together. Both compounds are soluble in water and will remain in solution.


What are signs for a chemical reaction of NaCl?

For example formation of a precipitate as in the following reaction: NaCl + AgNO3 = AgCl(s) + NaNO3 Silver chloride is a white precipitate.


Is water a solution then what is its characteristics?

Water isn't a solution it's a liquid, a soltion refers to soulte dissolved in a solvent E.G. NaCl(aq) this is a soltion of sodium chloride in water, water is the solvent NaCl is the solute. This is an ionic example. E.G. 2 Phosphorus in carbon disulphide - P4 is the solute, CS2 is the solvent - this is a covalent example


Why does NaCl help to precipitate the soap?

Sodium chloride is used to precipitate soaps from the solution.


What does AgNO3 and NaCl gives?

When silver nitrate (AgNO3) is mixed with sodium chloride (NaCl), a white precipitate of silver chloride (AgCl) is formed. This reaction is a double displacement reaction where the silver cation from AgNO3 and the chloride anion from NaCl switch partners to form the insoluble AgCl precipitate.


What are the names of the particles that carry the charge when electricity flows through molten NaCl and aqueous NaCl?

In molten NaCl, the particles carrying the charge are sodium and chloride ions. In aqueous NaCl, the charge is carried by hydrated sodium and chloride ions.