Emmanuel asked · 7 months ago

Radioactivity

If 4g of a radioactive material of half life 10 days is spilled on the laboratory floor how long would it take to disintegrate 3.5g of the material 

Expert Answer - 1

Flavone . answered · 7 months ago

Tutor 5 ( 0 )

Still stuck with a Chemistry question
Ask this expert

Amount of the radioactive material that remains after time,t, is 4-3.5= 0.5 g

From 4 g to 0.5 g, the material decays in three half lives which equals time t.

n(t1/2) = t, where n is the number of half lives=3

Time taken to disintegrate the material to 0.5g is given by

3 x 10 = 30 days

Get Online Tutoring or Questions answered by Experts.

You can post a question for a tutor or set up a tutoring session

Join Thousands of Happy Students!

Post a Question

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume you are happy to receive all cookies