Amount of substance
Chinese equivalent: 物质的量
Amount of substance A measure of the number of elementary entities (atoms, molecules, ions, etc.) in a sample. It is one of the seven base quantities in the In…
Syllabus path: Fundamental Chemical Concepts and Calculations › Mole Calculations
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CSCA Chemistry Exam Glossary
Definition
Amount of substance A measure of the number of elementary entities (atoms, molecules, ions, etc.) in a sample. It is one of the seven base quantities in the International System of Units (SI), with the unit mole.
Related tutorial and examples
Mole Calculations
Core Concepts: Mole Calculations This section is the "heart" of chemical calculations. Whether the question asks for mass, volume, or particle count, the path to the solution almost always requires finding the Amount of Substance ( n ) first. Remember the golden rule: "Convert ev…
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