1. Solving a chemistry problem
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- Coursework
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- 513.zip (14.5 KB)
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- 04.09.2023 12:16:08
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1. Solving a chemistry problem
513. There is 5 mg of radium, the half-life of which is 19.7 minutes. How much radium (mg) will remain after 2.5 hours?
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If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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