hollyg8749 hollyg8749
  • 25-11-2017
  • Biology
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The principle of conservation of mass is true only for reactions that take place in closed systems.

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khansa23
khansa23 khansa23
  • 25-11-2017
The principle of conservation of mass is true. For reactants in both open and closed system. When a chemical reaction takes place in an open system. matter can enter from or escape to the surroundings
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