tonishane2001 tonishane2001
  • 14-06-2017
  • Chemistry
contestada

How much of one gram of radium-226 will remain unchanged after four half-lives?

Respuesta :

dec77cat dec77cat
  • 14-06-2017
m=1g
n=4

m'=m/2⁴=0.0625 g
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