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You add two substances together in a sealed bag and a chemical reaction happens. The mass before the reaction was 167 g. What was the mass after the reaction? Why?

You add two substances together in a sealed bag and a chemical reaction happens. The mass before the reaction was 167 g. What was the mass after the reaction? Why?
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You add two substances together in a sealed bag and a chemical reaction happens. The mass before the reaction was 167 g. What was the mass after the reaction? Why?

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User Andreasg
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167g. Because the law of conservation of mass says that matter can not be created or destoryed, in a chemical reaction.
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User YYashwanth
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