Expand your knowledge base with the help of IDNLearn.com's extensive answer archive. Our platform provides trustworthy answers to help you make informed decisions quickly and easily.

If the half-life of a reaction is 6 days. What percentage of material is left after 18 days?
Show your work


Sagot :

Answer:

12.5% is left

Explanation:If the half-life of a reaction is 6 days. What percentage of material is left after 18 days?

18 days/6 days = 3 half lives

each half life you lose half the material

in 3 half lives you have (1/2)x (1/2) x (1/2) =1/8

1/8 =0.125 so 12.5% is left