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An insoluble salt is formed--commonly called soap scum. Soap is the potassium or sodium salt of fatty acids. When calcium takes the place of the sodium or potassium, a calcium salt is formed. This takes the form of a whitish precipitate.

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Write the reactions of hard water with soap which leads to the formation of white insoluble scum?

When hard water reacts with soap, it forms an insoluble scum due to the reaction between the calcium and magnesium ions present in the water with the soap. The calcium and magnesium ions react with the soap molecules to form calcium and magnesium salts of the fatty acids, which are insoluble and appear as white scum in the water.


What happens if you react FeCl2 with soap?

If you react FeCl2 with soap, the iron ions in FeCl2 are likely to form coordination complexes with the soap molecules. This may not result in any significant chemical reaction, but it could produce colored compounds or a change in the physical properties of the soap.


Why salt have an effect on soap bubbles?

they dont react well, salt pops them


In which reaction is soap a product?

Soap is produced in the saponification reaction, where fats or oils react with a strong base, typically sodium hydroxide or potassium hydroxide, to form soap and glycerol.


Is soap made from salts?

NO, THERE IS NO SALT IN SOAP!!! ---------------------------------------------------- Sodium Chloride (NaCl) is often called Salt or Table Salt. However, technically it is only one type of salt. In Chemistry, a salt is any ionically bonded compound. Lye Soap is a type of soap formed by an ionic bond between Sodium (Na+) and the conjugate base of a fatty acid (ROO-) ROO-Na+ And thus, Lye Soap IS A SALT. Salts will dissociate into their ionic constituents in water. Soap is not required for that step.

Related Questions

Metal ions in water can react with soap to form what?

Metal ions in water can react with soap to form insoluble salts, known as soap scum. This can lead to reduced soap efficacy and result in soap scum buildup on surfaces.


What does sodium hydroxide and a fat make?

Sodium hydroxide and fat react to form fatty acid salts (essentially soap), and glycerin.


What creates soap scum?

Most soaps contain sodium and potassium salts of fatty acids. These are water soluble compounds that help carry away oils and other water insoluble substances. Soap scum forms when these salts react with calcium and magnesium compound in the water. The newly formed calcium and magnesium salts are insoluble in water,and so forma coating on surfaces. This is more likely to happen if you have hard water, water rich in calcium and magnesium.


Why hard water consume lots of soap?

beacuse it contain dissolve salts of calcium and magnesium salts and other heavy metals and it does not form lather with soap readily..


Why does hard water consumes lot of soap?

beacuse it contain dissolve salts of calcium and magnesium salts and other heavy metals and it does not form lather with soap readily..


What S forms when soap is used in hard water?

A scum forms when soap is used in hard water. This occurs because the calcium and magnesium ions in the hard water react with the soap to form insoluble salts, which precipitate out as a scum.


Why is soap neutralized by metal salts?

Salt is added to soap solution to help precipitation and separation of salt.


Why is soap not suitable for washing clothes when water is hard?

Soap is not suitable for washing clothes in hard water because hard water contains high levels of minerals such as calcium and magnesium ions. These ions react with soap to form insoluble salts known as soap scum, which can deposit on clothes and leave a residue. This can make clothes appear dingy and feel stiff. Detergents are more effective in hard water because they contain ingredients that prevent the formation of soap scum.


What are the advantages and disadvantages of using detergents instead of soap in hard water areas?

detergents, unlike soap, do not react with the magnesium and calcium salts found in hard water to form scum. they are more efficient cleaners than soap. but they can be very harsh on skin/hair for humans and also, some types of detergents are non biogedradable.


Why does detergent lather in hard water easily?

Detergent lathers more easily in hard water because the minerals in hard water like calcium and magnesium ions react with soap molecules to form insoluble salts, preventing the soap from sudsing up effectively. In contrast, synthetic detergents are specifically designed to work better in hard water by not forming these insoluble salts, resulting in more lather.


Write the reactions of hard water with soap which leads to the formation of white insoluble scum?

When hard water reacts with soap, it forms an insoluble scum due to the reaction between the calcium and magnesium ions present in the water with the soap. The calcium and magnesium ions react with the soap molecules to form calcium and magnesium salts of the fatty acids, which are insoluble and appear as white scum in the water.


Is Soap Element or Compound?

Soaps are salts of fatty acids and hence are compounds.