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A chemistry student was able to recover 98 grams of copper from a redox reaction experiment. How many moles of copper was she able to recover?

________ moles of copper. Do NOT enter the unit and report your final answer with 3 SFs.

3 answers

divide 98 by the atomic weight of Cu.

@oobleck so it would be 98/63.546?

Yes, but I don't understand how you can give an answer to 3 s.f. when 98 has only 2 s.f.

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