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  1. 2. The conservation of mass is a fundamental principle in the study of
  2. 3. the law of conservation of mass is a fundamental concept in the field of
  3. 7. The law of conservation of mass was first proposed by the French chemist
  4. 8. In the a chemical reaction, the total number of atoms of each element must be the same on both ____ and____ sides
  5. 9. The conservation of mass is a result of the law of conservation of
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  1. 1. The conservation of mass applies to both _____ and ____ reactions
  2. 4. The principle that states matter cannot be created or destroyed
  3. 5. The mass of a closed system before a chemical reaction is the same as the mass of the system after the reaction is complete. This is an example of the conservation of
  4. 6. the total mass of the reactants in a chemical reaction is equal to the total mass of the