What are 3 ways to make something dissolve faster?

When you’re dissolving a solute in a solvent, it makes a solution. For example, when you stir some sugar (solute) in water (solvent) it turns into a mixture, called sugar solution. Dissolving is a very important process in our day-to-day life.

In cooking, making tea, coffee or juice, washing your clothes or dishes and in many more activities we need to dissolve some sort of solute in a solvent. For example, in washing, it is important that soap or washing up liquids dissolve in water and in making a glass of orange juice, it is important that sugar and the juice of the orange dissolve in water. So, in this lesson we are going to learn how to speed up the dissolving process in order to make things easier to do.

How much of a solute dissolves in a solvent?

How much of a solute dissolves in a solvent depends on how much solvent you use.

How can you see that?

If you use more solvent to dissolve a solute, more solute should be added until the solution is saturated.

When will be the solutionsaturated?

When you keep on adding the solute, one time you see the solute will remain undissolved at the bottom of the container. That is the time the solution will be saturated.

Dissolving more solute

How can we make more solute dissolve in a solvent?

• By using a warm solvent.
• By heating the mixture.

Examples of making more solute dissolve in a solvent

• More sugar will dissolve in warm water than in cold water.
• Most solids dissolve better in warm water than in cold water.

Why more solute will dissolve in warm solvents?

When the solvent is warmed, the tiny particles it is made of move faster. This increases the spaces between them so that there is room for more solute to dissolve.

Salt is an example of a solute that changes a little when the temperature of water rises.

Making the solute dissolve faster

How can we make the solute dissolve faster?

1) We can make the solute dissolve faster by heating the mixture.

Heating the sugar and water mixture

2) We can make the solute dissolve faster by stirring the mixture.

Stirring the salt and water mixture

3) We can make the solute dissolve faster by grinding the solute before it is put into the solvent.

Ground coffee beans dissolve faster in hot water

Why the solute dissolves faster if we stir the mixture?

Stirring mixes up the particles of solvent and solute so that they are more spread out.

Why the solute dissolves faster by grinding the solute before it is put into the solvent?

Grinding or crushing the solute increases the area of it which is exposed to the solvent.

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Answer

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Hint: Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but the pressure only affects the solubility of gases. The surface area does not affect how much of a solute will be dissolved, but it is a factor in how quickly or slowly the substance will dissolve.

Complete answer:
Sugar dissolves faster in hot water than it does in cold water because hot water has more energy than cold water. When water is heated, the molecules gain energy and, thus, move faster. As they move faster, they come in contact with the sugar more often, causing it to dissolve faster.
So, \[{1^{st}}\] is to increase the temperature or heat up the solution.
Dissolving sugar in water will occur more quickly if the water is stirred. The stirring allows fresh solvent molecules to continually be in contact with the solute.
So, \[{2^{nd}}\] way is to stir the solvent.
When a solute dissolves, the action takes place only at the surface of each particle. When the total surface area of the solute particles is increased, the solute dissolves more rapidly. Breaking a solute into smaller pieces increases its surface area and increases its rate of solution.
So, \[{3^{rd}}\] is to increase the surface area of the sugar.

Hence, three ways to make a sugar cube dissolve more quickly in water are
- Increase the temperature or heat up the solution.
- Stir the solvent.
- Increase the surface area of the sugar.

Note: Amount of solute already dissolved also affects the rate of solution, that is, when you have very little solute in the solution, dissolving takes place quickly. When you have a lot of solute in the solution, dissolving takes place more slowly. For solid solutes, changes in pressure have practically no effect on solubility.

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