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When soap is used with hard water, a scum is formed and it;

  1. Might damage the fabric.
  2. Makes the need of more soap for cleaning.

One of the reactions involved in forming the scum is;

2 C17H35CO2-Na+(aq) + Ca2+(aq) --> Ca(C17H35CO2)2(s) + 2 Na2+(aq)

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Q: What effect does hard water have on soap?
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What is the effect of soap and detergent in the hard water?

One effect of soap and detergent in hard water is it will not lather as well as it does in soft water. This can affect the way the soap or detergent cleans in hard water making them less effective.


Do detegeant and soap has the same effect on different types of water?

no. soap cannot be used in hard water


Study the effect of addition of sodium carbonate on the foaming capicity of a soap?

The effect of sodium carbonate on soap can differ depending on the type of water used. Hard water could cause the soap to bubble more, while fresh water could cause the soap to not bubble at all.


What S forms when soap is used in hard water?

Hard water does not produce lather. So soap does not work effectively with hard water as soap does not form a good lather with hard water.


Why doesn't soap and detergent have the same effect on different types of water?

Soap and water react differently in both soft and hard water whereby soap works faster and detergent works slower and may not even lather.


Why do you say that soup gets wasted if hard water is used for cleansing purpose?

Hard water contains the salts of calcium and magnesium, which neutralize the soap. So that more or less amount of soap is precipitated before you get the effect of soap on the water. Only after you have wasted the certain amount of soap, you get the foam in the water. The ability of soap to clean the clothes comes only after foam formation.


Why are soaps less effective in hard water?

Soaps are sodium or potassium salts of long-chain fatty acids. Hard water contains calcium and magnesium ions. When soaps are dissolved in hard water, these ions displace sodium or potassium from their salts and form insoluble calcium or magnesium salts of fatty acids. These insoluble salts separate as scum. This is the reason why soaps do not work in hard water.


What is the effect of soap on oil?

Soap allows oil to dissolve in water.


Are there any products that are better for areas with hard water?

Usually soap holders or soap dispensers are the best for areas with hard water.


How you can made calcium soap of fatty acids?

Soap scum is calcium soap of fatty acids. It is the result of soap in hard water-- the fatty acids in soap bond with the calcium ions in hard water and create an insoluble compound.


Does soap and detergents have the same effect on water?

no they dont have the same effect


What causes soap not to saponafy?

Hard water.