Chemistry half life equation???

label Chemistry
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The half-life of protactinium-234 is 6.69 hours. What fraction of a given amount remains after 26.76 hours?

Oct 23rd, 2017

The fraction is (1/2)^(26.76/6.69) = (1/2)^4 = 1/16 = 0.0625 of the original amount.

Apr 8th, 2015

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Oct 23rd, 2017
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Oct 23rd, 2017
Oct 23rd, 2017
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