Problem: The gold nucleus 19879Au undergoes α-decay with a half-life of 2.70 days. What is the activity in Bq (decays/sec) of a sample that contains 5.0 grams of 19879Au nuclei?

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The gold nucleus 19879Au undergoes α-decay with a half-life of 2.70 days. What is the activity in Bq (decays/sec) of a sample that contains 5.0 grams of 19879Au nuclei?

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