Define the half life for the radioactive decay

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The half life for the radioactive decay of C-14 is 5730 years and is independent of the initial concentration. How long does it take for 25% of the c-14 atoms in a sample of C-14 to decay? If a sample of C-14 initially contains 1.5 milimoles of C-14, how many milimoles are left after 2255 years?

Reference no: EM13187228

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