Tritium has a half-life of 12.33 years. a) what fraction of thenuclei in a triti

Question

Tritium has a half-life of 12.33 years. a) what fraction of thenuclei in a tritium sample will remain after 5 years? b) 10 years?c) 123.3 years? d) According to equation 29.4a, an infinite amountof time is required for the entire sample to decay. is thatrealistic?

Can someone please help me out with what equation to use here? Itseems to me that there is information missing from the problem, inparticular the initial amount of nuclei. If anyone can get thisthing set up for me I would greatly appreciate the help.

Explanation / Answer

= 0.693/t1/2(half life) Once you find , you can use that to solve forN = N0e-t Remember to convert years to seconds t(years) x 365 x 24 x 60 x60 = secondsN0 = 1 You can solve a - c using thismethod.

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