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How much of a 100.0 g sample of 198au is left after 8.10 days ifi its half life is 2.70 days?

How much of a 100.0 g sample of 198au is left after 8.10 days ifi its half life is 2.70 days?
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2 votes
How much of a 100.0 g sample of 198au is left after 8.10 days ifi its half life is 2.70 days?

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User Patrick Stephan
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2 Answers

2 votes

Answer:

The answer is 12

Step-by-step explanation:

answered
User Rahbee Alvee
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8.3k points
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8.10 days/ 2.70 days = 3 half-lives; divide 100 by 2, three times to get 12.5 g left after 3 half-lives


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User Praveenpds
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7.9k points
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