Key term for Edexcel GCSE Chemistry, used in Formulae, Equations and Hazards.
A principle stating that no atoms are lost or made during a chemical reaction, so the mass of the products equals the mass of the reactants.
Conservation of Mass appears in Edexcel GCSE Chemistry revision content for Formulae, Equations and Hazards, especially Formulae, Equations and Hazards and Balanced Chemical Equations.
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