Chemistry

Chemistry, 26.03.2021 06:10, oscar3231

The half-life of 3H (H-3) is 12 years. About how long does it take for 127/128 of a sample of that radionuclide to decay? (Hint: this means only 1/128 are left) A: 7 years
B:11.9 years
C:84 years
D:12.1 years

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