The online chemical solutions simulations on this page allow us to visualize how a solution is produced and also help us to study the important concept of molarity.
Chemical solutions are homogeneous mixtures of two or more substances, where one of them is dispersed in the other, forming a dispersed phase and a dispersing phase. The dispersed phase is called the solute and the dispersing phase is known as the solvent. Solutions can be solid, liquid or gaseous, depending on the state of aggregation of the substances involved.
Solutions are of great importance in chemistry and in many aspects of our daily lives. For example, salt water is a common solution found in the oceans and seas. Also, many medicines are solutions in which the active ingredients are dissolved in a suitable solvent.
The amount of solute present in a solution is expressed in terms of concentration, which can be expressed as mass percentage, volume percentage, molarity, among others. The concentration of a solution can influence its physical and chemical properties, such as boiling point, melting point and electrical conductivity.
There are different ways of preparing a solution. The most common is the solid-liquid solution, where the solute is added to the solvent and stirred until it is completely dissolved. Liquid-liquid and gaseous-liquid solutions can also be prepared using techniques such as stirring, heating or using specific apparatus such as ultrasound.
Some solutions have special properties, such as saturated solutions, which contain the maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature. If more solute is added, it will not dissolve and a precipitate will form. On the other hand, supersaturated solutions contain a larger amount of solute than can normally be dissolved, and are more unstable and can easily precipitate.
Explore the exciting STEM world with our free, online simulations and accompanying companion courses! With them you'll be able to experience and learn hands-on. Take this opportunity to immerse yourself in virtual experiences while advancing your education - awaken your scientific curiosity and discover all that the STEM world has to offer!
- Molarity
- Concentration
- Dissolution
Molarity
What determines the concentration of a solution? Learn about the relationships between moles, liters, and molarity by adjusting the amount of solute and the volume of solution. Change the solutes to compare different chemicals in water.
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Concentration
Observe the color change of your solution as you mix the chemicals with water. Then check the molarity with the concentration meter. What are all the ways you can change the concentration of your solution? Change the solutes to compare different chemicals and find out how concentrated it can be before you reach saturation!
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Dissolution Process
This simulation allows us to select different compounds and observe how they dissolve in water.
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