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Chemistry A
Chemical reactions
Introducing chemical reactions
Mass Changes in Reactions
Mass Changes in Reactions
OCR GCSE Chemistry A (J248) — Chemical reactions
What You Need to Know
Explain any observed changes in mass in non-enclosed systems during a chemical reaction.
Explain these changes using the particle model.
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Mass Changes in Reactions
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Law of Conservation of Mass
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Stoichiometry and Limiting Reactants
