Munira M.

asked • 05/07/24

An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 20% more of the substance?

1 Expert Answer

By:

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.