153k views
2 votes
If 250 mg of a radioactive element decays to 180 mg in 24 hours, find the half-life of the element.

User S K
by
6.2k points

1 Answer

4 votes
250mg/2=125m

180mg/24hrs=45mg/6hrs=15mg/2hrs

125/15=8 ⅓

8 ⅓ *2 =25/3 *2=50/3 hrs




User Nkm
by
6.6k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.