Students want to gather evidence for the claim that the number of atoms present before a chemical reaction is equal to the number of atoms present after the chemical reaction. They decide to react vinegar and baking soda in a sealed plastic bag. Which of the following would provide evidence the students need
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Ответ:
The mass of the plastic bag, baking soda, and vinegar before the reaction was equal to the mass after the reaction.
Explanation:
Ответ:
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