Задача 60356.

What is the amount of radioactive cobalt 60So27 need to take to get the radiation source with the same activity, which has 5 grams of iodine 131I53? The half-life of 8 days iodine, cobalt half-life of 5.3 years.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I´ll try to help.