SOLUTION: The following data was collected during a chemical experiment. Total Mass of Reactants = 25.4 g Total Mass of Products = 18.7 g a) Does this experiment follow the Law of Conservati

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Question 1192751: The following data was collected during a chemical experiment. Total Mass of Reactants = 25.4 g Total Mass of Products = 18.7 g a) Does this experiment follow the Law of Conservation of Mass? Explain.
What type of reaction might have taken place?
Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.

The Law of Conservation of Mass is satisfied for any chemically and physically closed system.

If in experiments, an observer notices violation of this law, it means that a system is chemically and/or physically unclosed,
i.e. open, in other words.