Asked by shelly
a medical institution request 1 gram of bismuth-214 which has a half life of 20 min. How many grams of bismuth-214 must be prepared if the shipping time is 2 hours.
Answers
Answered by
Reiny
x (1/2)^(t/20) = 1 , where t is in minutes
so 2 hours = 120 minutes
x(1/2)^(120/20) = 1
x (1/2^6) = 1
(1/64)x = 1
x = 64 g
so 2 hours = 120 minutes
x(1/2)^(120/20) = 1
x (1/2^6) = 1
(1/64)x = 1
x = 64 g
Answered by
shelly
thank you so much
Answered by
Munira
2 hours are equal to 120 minutes
If 1 gram prapared in 20 minutes, 6 grams will prapared in 120 minutes which is 2 hours.
The answer is 6 grams.
If 1 gram prapared in 20 minutes, 6 grams will prapared in 120 minutes which is 2 hours.
The answer is 6 grams.
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