Answer:
Explanation:
[tex]N=N_0(\frac{1}{2} )^\frac{t}{T}[/tex] , T is half life , t is time taken to reduce N₀ to N .
1/3 = [tex](\frac{1}{2})^\frac{10}{T}[/tex]
taking log on both sides
-log3 = 10/Tx log.5
T = 10 x log .5 / - log 3
= 10 x -.3010 / - .4771
= 6.31 hours .
