Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Discover the answers you need from a community of experts ready to help you with their knowledge and experience in various fields. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

How many half-lives have passed in a sample that originally contained 5000 parent isotopes but now has only 625?

Sagot :

Answer:

3 half lives

Explanation:

5000 * (1/2)^n  = 625           where n = number of half lives

log ( 625/5000) / log(1/2) = n  = 3

5000         2500     1250      625  

Thank you for visiting our platform. We hope you found the answers you were looking for. Come back anytime you need more information. We hope this was helpful. Please come back whenever you need more information or answers to your queries. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.