cesar2679
26.12.2019 •
Mathematics
The half-life of sodium-22 is 2.6 years. a sample contains 800 mg of this isotope. which expression represents the mass.od sodium remaining after h half-lives?
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Ответ:
the next answer is h=y/2.6
the one after that is S = 800(0.766)y
the last one is 85.2 mg
Ответ:
Ответ:
ez
Step-by-step explanation: