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When copper sulfate and zinc metal interact, one atom of zinc replaces one atom of copper while the sulfate, made of 5 atoms, is unchanged. How many atoms are there before and after the interaction?
before: 5 atoms; after: 5 atoms
before: 6 atoms; after: 7 atoms
before: 6 atoms; after: 6 atoms
before: 7 atoms; after: 7 atoms
Answers: 2
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When copper sulfate and zinc metal interact, one atom of zinc repla...
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