Molarity (M)
Definition
Molarity is a measure of the concentration of a solute in a solution, or of any chemical species, in terms of amount of substance in a given volume. It is defined as the number of moles of solute per liter of solution.
Analogy
Think about making lemonade. If you add one scoop of lemonade powder to one liter of water, that's like having 1 mole per liter - or 1 molar (1M) solution. If you add two scoops to the same amount of water, it becomes more concentrated - like a 2M solution.
Related terms
Concentration: The measure of how much solute is dissolved in a specific amount of solvent or solution.
Solute: The substance that is being dissolved in a solvent to create a solution.
Solvent: The substance that dissolves another substance (solute) to form a solution.
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