Discover the answers you need at Westonci.ca, a dynamic Q&A platform where knowledge is shared freely by a community of experts. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

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