Definition of pH
pH is the negative common logarithm of the hydrogen ion concentration. Formula: pH = - lg c(H⁺). Here, c(H⁺) is the molar concentration of hydrogen ions (unit:…
Syllabus path: Properties of Substances and Reactions › Properties of Common Inorganic Substances › Acids
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CSCA Chemistry Formula Reference
Formula and explanation
pH is the negative common logarithm of the hydrogen ion concentration. Formula: pH = - lg c(H⁺). Here, c(H⁺) is the molar concentration of hydrogen ions (unit: mol/L). A lower pH value indicates stronger acidity.
Related tutorial and examples
Acids
Acids 1. Core Definitions & Microscopic Essence Acids are not just substances that "taste sour." In the CSCA exam, we must define them precisely from the perspective of Ionization: Definition: A compound that produces only Hydrogen ions ( H⁺ ) as cations when ionized in aqueous s…
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