eisakov2227 eisakov2227

28-10-2021
Chemistry

contestada

After 4 half-lives, a sample of Polonium-218 weighs 12 g. What was the orginial weight of the sample?

Respuesta :

rhea1530 rhea1530

29-10-2021

Answer:

To calculate original weight - multiply by 2 the number of times one half live has passed.

12 x 2 = 24

24 x 2 = 48

48 x 2 = 96

96 x 2 = 192

original weight = 192g

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