Chemistry Basics

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Acid

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A substance that donates hydrogen ions and therefore lowers pH.

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Base

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A substance that accepts hydrogen ions and therefore raises pH.

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Molarity

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A measure of the concentration of a solute in a solution, in terms of amount of substance in a given volume.

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Titration

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A technique where a solution of known concentration is used to determine the concentration of an unknown solution.

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Concentration

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The abundance of a constituent divided by the total volume of a mixture.

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Saturation

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The state of a solution in which no more solute can be dissolved in the solvent at a given temperature.

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Super Saturation

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A state of a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances.

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Unsaturated

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A solution that can dissolve more solute at a given temperature.

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Electrolyte

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A substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.

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Nonelectrolyte

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A substance that does not readily ionize when dissolved or melted and is a poor conductor of electricity.