The specific activity of a preparation consisting of radioactive `Co^(58)` and non-radioactive `Co^(59)` is equal to `2.2xx10^(12)` disintergration per sec gram. The half-life of `Co^(58)` os `71.3` days. The ratio of the mass of radioactive cobalt in that prepartaion to the total mass of the prepartion in percentage is
The specific activity of a preparation consisting of radioactive `Co^(58)` and non-radioactive `Co^
The specific activity of a preparation consisting of radioactive `Co^(58)` and non-radioactive `Co^(59)` is equal to `2.2xx10^(12)` disintergration per sec gram. The half-life of `Co^(58)` os `71.3` days. The ratio of the mass of radioactive cobalt in that prepartaion to the total mass of the prepartion in percentage is
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