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Mixtures, whether they are homogenous or heterogeneous are grouped based on their appearance.
The mixtures we will be studying in more detail are:
A solution is a mixture where one of the substances dissolves in the other. The substance that dissolves is called the solute. The substance that does not dissolve is called the solvent. As a rule of thumb, there is usually more solvent than solute.
Everything in a solution is evenly spread out and thoroughly mixed. As so, solutions are categorized as homogenous mixtures.
Solutions can be liquids, gases or solids.
Brass is a solution of copper and zinc.
Steel is a solution of iron,oxygen, and carbon. Mixed metal solutions are referred to as alloys.
In chemistry, concentration is how much of a substance is mixed with another substance.
The higher the ratio of solute to solvent, the higher the concentration
A solution with a low concentration of solute is said to be dilute.
To concentrate a solution, one must add more solute, or reduce the amount of solvent. To dilute a solution, one must add more solvent, or reduce the amount of solute.
Solubility is the ability to dissolve into (become a part of) another substance.
Another way to say that a substance dissolves in water is to say that it is soluble in water (water soluble).
What are some substances that are soluble in water???
What do you think an insoluble substance is?
Give some examples.
This activity will investigate the solubility of different compounds in water and how different factors affect solubility.
Materials: