Solute Concentration: Definition & Overview

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  • 0:01 What is Solute Concentration?
  • 0:55 Characteristics
  • 1:53 Example
  • 2:20 Lesson Summary
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Lesson Transcript
Instructor: Nadine James

Nadine has taught nursing for 12 years and has a PhD in Nursing research

In this lesson, you will learn the definition of a solute concentration. Also, an example will be included to assist with your learning of the science behind a solute concentration.

What is Solute Concentration?

The definition of solute concentration is the amount of solutes/particles that are dissolved in a solution. Other terms must be defined also in order for you to understand the lesson. First, let's define solvent. A solvent is the solution, or liquid, part of the solute concentration. Together, the solute and the solvent become the solution.

Next, let's define solubility. This is defined as the ability of a solute to be dissolved in a solvent. If the solute is small, it can be dissolved quicker in a solvent. But, the rate of solution is defined as the time it takes to dissolve the solute in the solvent.

Finally, we need to define polarity. Each molecule is made up of electrons. The unequal sharing of electrons creates polarity. The molecular structure of a substance and how the structure breaks down, has to do with the polarity. A substance can have a polar or non-polar nature.


The characteristics of a solute are that it can be a liquid, a solid, or a gas. A solute has a rate of solution - or how fast the solute dissolves. The factor that most influences the rate of solution is the amount of solute already dissolved in the solution.

Another fact that affects solubility is temperature. As the temperature of the solvent increases, solubility increases. Additionally, pressure and the nature of the solute and solvent affect solubility.

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