msmaddie09 msmaddie09

10-05-2021
Chemistry

contestada

How much of a 100.0 gram sample of Gold-98 remains after 8.1 days if
its half-life= 2.7 days?

50.0 g

12.5 g

6.25 g

25.0 g

How much of a 1000 gram sample of Gold98 remains after 81 days if its halflife 27 days 500 g 125 g 625 g 250 g class=

Respuesta :

colegorham colegorham

10-05-2021

Answer:

If half-life is 2.7 days then 8.1 days is three half-lives. 12.5%, or 12.5g, of AU-198 would remain.

Explanation:

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