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After 55 years, what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a half-life of 10.0 years?
After 55 years, what mass (in g) remains of a 200.0 g sample of a radioactive isotope with a half-life of 10.0 years?
By thehalf-lifeof radioactive, theremaining massof radioactive elements is4.42 grams.We need to know about thehalf-lifeof the radioactive elements to solve this problem. The radioactive element will decay over time and follow the equationN = No(1/2)^(t/t'')where N is the final quantity, No is the initial quantity, λ is the decaying constant, t is time and t'' is thehalf-lifeof a radioactive element.From the question above, we know thatt'' = 10 yearsNo = 200 gt = 55 yearsCalculate the remaining massN = No(1/2)^(t/t'')N = 200(1/2)^(55/10)N = 4.42 gramsFind more onhalf-lifeat:brainly.com/question/25750315#SPJ4...
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