A radioactive isotope disintegrates according to first order kinetics. The half life of the isotope is 90.0 hours. How l
Posted: Thu Jul 07, 2022 1:53 pm
A radioactive isotope disintegrates according to first order kinetics. The half life of the isotope is 90.0 hours. How long does it take for the sample to reduce to 30.0% of the initial amount? 125 hr 80 hr 240 hr 189 hr 156 hr