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MCAS Chemistry Exam Practice

Category - Chemistry

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Gold-198 has a half-life of approximately 3 days. If a 100 g sample of gold-198 decays for 9 days, approximately how much gold-198 remains in the sample?

13 g
25 g
33 g
50 g

Explanation

Answer: A - 13 g

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MCAS Chemistry Exam Practice

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MCAS Chemistry Exam Practice

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