92. Solving a chemistry problem
Seller: Derkach
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Product description
- For the destruction of grain pests in the granary, radioactive cobalt 60Co is used. In a wire weighing 25 g, the cobalt content is 0.015% by weight. Determine the activity of radioactive cobalt in this sample if the half-life of cobalt is 5.3 years.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.