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olga55 [171]
2 years ago
8

How many half-lives are required for the concentration of reactant to decrease to 12. 5% of its original value?.

Chemistry
1 answer:
Tcecarenko [31]2 years ago
5 0

Answer:

Three half-lives

Explanation:

12.5% is one-eighth. One eighth is the cube of one half, so it would take three half-lives to reduce a reactant's concentration to 12.5%

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