ventalexander2703 ventalexander2703

20-04-2018
Chemistry

contestada

What is the half-life of a 3 g sample of radioisotope that decayed to 0.75 g in 30 days?

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hunehmustard hunehmustard

20-04-2018

15 days. 3/2/2 = 0.75 so it went through 2 half lives so far.

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