The isotope 95 43 Tc has a half-life of 61 d and is sometimes used as a
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The isotope 9543Tc has a half-life of 61 d and is sometimes used as a radioactive tracer in plant and animal systems. If a spiny lobster is given an activity of 0.852 µCi with 9543Tc, how much time will elapse before its activity falls below a 0.100 µCi detection limit?
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Use Equation 3210 to calculate the decay constant from t...View the full answer
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