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What is the difference in sodium hydroxide and potassium hydroxide?

What is the difference in sodium hydroxide and potassium hydroxide?

Potassium hydroxide and sodium hydroxide are strong bases. Both are hydroxides of alkali metals. The main difference between Potassium hydroxide and Sodium Hydroxide is that Potassium hydroxide has a potassium cation and a -OH anion whereas Sodium Hydroxide has a sodium cation and –OH anion.

What does potassium hydroxide do in soap?

Potassium Hydroxide is a type of lye specifically used to make liquid soap. It is also known as potash, lye or even KOH. This is the chemical that induces saponification of the fats and oils to create liquid soap.

Why is potassium hydroxide preferred over sodium hydroxide?

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At the molecular level, potassium hydroxide is also slightly smaller than sodium hydroxide, therefore it can penetrate oil molecules faster than sodium hydroxide thus breaking the oils hold on surfaces quicker and since they are also more soluble can be rinsed away easier, especially when using hotter water or steam …

Why do chemicals like sodium hydroxide and potassium hydroxide feel soapy to touch?

It reacts with the hydrogen ions present in an acid and results in salt formation, hence neutralises the acid. It is similar to soap formation where the bases like sodium or potassium hydroxide react with fats and result in soap formation which is commonly known as saponification.

What is the difference between using sodium hydroxide and potassium hydroxide in making soap?

While they are both key ingredients in soapmaking, there are key differences, and the two cannot be used interchangeably. Soaps made using sodium hydroxide are harder (often bar soaps), whereas potassium hydroxide based soaps are more water-soluble, and the results are often soft soaps, or liquid/gel soaps.

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Is potassium hydroxide safe in soap?

Both potassium hydroxide and sodium hydroxide are used to cause a reaction that creates soap. These compounds are rendered safe after they have been combined with other constituents to create an effective, safe, and diverse cleansing agent. For solid bar soap, sodium hydroxide is used.

How does potassium soap differ from sodium soap?

The main difference between potassium and sodium soaps is consistency — usually, potassium makes a softer, more water-soluble soap than sodium.

What makes soap slippery?

Soap is slippery due to its lack of friction. The fatty acids that is the primary composition of soap is a surfactant. Soap is only slippery when it’s in water or other polar solvent.

Is potassium hydroxide harmful in soap?

In high concentrations, potassium hydroxide can aggravate skin, even if used in rinse-off products such as soaps or cleansers. In fact, a study on skin products found that using an alkaline cleanser, even once, can do significant damage to the skin.

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Can I use potassium hydroxide instead of sodium hydroxide?

But their differences actually start all the way down at the molecular level. Potassium hydroxide is slightly smaller than sodium hydroxide which means it cuts through oil molecules faster than sodium hydroxide. This makes potassium hydroxide a great choice for soaps that need to remove caked-on oil.

How do you make soap less slippery?

You simply push the teeth into your bar of soap, that’s it. It will help keep that slippery bar from shooting out of your hands.

Which is more slippery oil or soap?

So soapy water between 2 solid surfaces allows them to slip almost as efficiently as oil would. Different types of oils cause soap to be slipperier (i.e. Olive Oil is most slimy), but the main reason it is slippery is lack of friction.