92. Solving a chemistry problem
Seller: Derkach
Price: 1.18 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
- The half-life of the radium isotope is 19.7 minutes. What amount of radium (grams) will remain after 2.5 hours if the initial mass of radium was 5 grams?
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.