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The water molecules spread out as temperature increases, which allows the alum to dissolve more readily. Conversely, as temperature decreases, the water molecules become more compact which causes the alum to be less soluble.

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13y ago

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Does alum powder dissolve in water?

Yes, alum powder does dissolve in water. It is soluble in water, forming a clear solution when mixed. The solubility can vary depending on the specific type of alum, but generally, it dissolves readily at room temperature.


How is alum separated in a mixture of alum and water?

Alum can be separated from a mixture of alum and water through a process called crystallization. When the mixture is cooled or allowed to evaporate, alum will crystallize out of the solution due to its solubility properties. The crystals can then be collected by filtration. This method effectively separates the solid alum from the liquid water.


Why does ethanol have to be cold and not room temperature in the synthesis of alum?

Ethanol must be cold in the synthesis of alum to promote the precipitation of alum crystals. Cold temperatures reduce the solubility of the alum in the solution, allowing for better crystal formation and growth. If the ethanol were at room temperature, the solubility would be higher, potentially leading to fewer and smaller crystals, which could affect the yield and purity of the final product.


What will dissolve alum powder?

The solubility of alums in water is very different and specific for each compound.


How much alum can you dissolve in 1 cup water?

The solubility of alum (potassium aluminum sulfate) in water is about 10 grams per 100 milliliters at room temperature. Since 1 cup is approximately 240 milliliters, you can dissolve around 24 grams of alum in 1 cup of water. However, the actual amount you can dissolve may vary slightly depending on temperature and stirring conditions. It's advisable to start with smaller amounts and gradually increase to ensure complete dissolution.


Do salt crystals grow faster than alum crystals?

Salt crystals generally grow faster than alum crystals because salt is more soluble in water and forms crystals more quickly. Alum crystals tend to grow slower due to their lower solubility in water.


What is the process of adding alum to water called?

alum water (AlH20)


What is alum used for?

Alum is used in vaccines as an adjuvant. Alum is commonly used as a coagulant in water treatment. And its used for domestics water.


Does alum preserve cut flowers?

yes!..i work at a florist and we found it is the best way to preserve flowers. Not all of them but some that are more fickle like hydrangea. We have used Alum to make arrangements with hydrangea far ahead of events.


What is the accepted value for the water of hydration for the alum you synthesized?

The accepted value for the water of hydration in alum (potassium aluminum sulfate) is usually around 12 molecules of water per one molecule of alum. This means that the formula for alum is often written as KAl(SO4)2·12H2O.


IS alum is soluble in water?

Alums are soluble in water.


Is alum soluble in water?

Alums are soluble in water.