The half - life technetium - 99 is 6 hours. how much of a 192 mg sample will have decayed after 30 hours?

-

6 mg

Explanation: -

Initial amount N₀ = 192 mg

Half life = 6 hours.

Time given = 30 hours

Number of half lives =

= 5

Amount present after 30 hours = N₀ x []

Amount present after 30 hours = 192 mg x []

= 6 mg

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.