Examlex
The normal distribution is completely described by its mean and standard deviation where 50 percent of the distribution's probability is less than the mean and 50 percent greater than the mean.
Acidic
Describes a substance with a pH less than 7, indicating a higher concentration of hydrogen ions.
pH
A numeric scale used to specify the acidity or basicity of an aqueous solution, with values ranging from 0 (acidic) to 14 (basic).
Buffers
Solutions or substances that minimize changes in pH when acids or bases are added to them, maintaining stability in biological and chemical systems.
Neutralization Reaction
A chemical reaction in which an acid and a base react to form water and a salt, achieving a balanced pH.
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