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GOB Chemistry 1 Final - Part 3 of 3
SAMPLE

Please be aware that you practice a sample exam set, which means that it’s mimicking a real exam. In order to have more accurate experience:

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11. Nuclear Chemistry / Radioactive Half-Life / Problem 21

A sample of Mo-99 has a half-life of 2.75 days. After 16.5 days, the activity of the sample was reduced to 378 Bq. Calculate the initial activity, in becquerels, of the sample.

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