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which statement is true regarding a chemical reaction?
a even if the total number of atoms changes, mass may not be conserved in the reaction.
b the total number of atoms does not change, so mass is conserved in the reaction.
c even if the total number of atoms does not change, mass may not be conserved in the reaction.
d the total number of atoms changes, so mass is conserved in the reaction.
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answered7 months ago