Answer:
the law of conversation of mass States that mass is an isolated system is neither created or destroyed by chemical reactions or physical transformations. according to the law of conversation of mass the mass of the product in a chemical reaction must equal to the mass of reactants
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Everything will be the same except that the atoms will be together nothing changes!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
4
Explanation:
I am not positive but it makes more sense
The answer should be B - Nitrogen Dioxide.