What is law of conservation of mass?
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The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system.
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- law of conservation of mass was proposed by Lovoiser
- it was in 1789
- total mass of the reactant is equal to total mass of the product
- eg: h2 (2g ) + cl2 (71g ) = 2Hcl (73g)
- this is a theoretical aspect
- the limitation is radioactive reaction
- because in radioactive reaction mass is converted into energy
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