SOLUTION: the half-life of Radium-226 is 1590 years. If a sample contains 400mg, how many mg will remain after 3000 {{{highlight(years)}}} ?
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Question 1160661
:
the half-life of Radium-226 is 1590 years. If a sample contains 400mg, how many mg will remain after 3000
?
Answer by
ikleyn(52794)
(
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):
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put this solution on YOUR website!
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The remaining mass of Radium-226 after 3000 years will be M =
grams = 108.163 grams.
Solved, answered and completed.
Notice that the ratio
= 1.886792 is the number of half-life periods in 3000 years.
---------------------
On radioactive decay, see the lessons
-
Radioactive decay problems
-
Carbon dating problems
in this site.
Also, you have this free of charge online textbook in ALGEBRA-I in this site
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ALGEBRA-I - YOUR ONLINE TEXTBOOK
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The referred lessons are the part of this online textbook under the topic "
Logarithms
".
Save the link to this online textbook together with its description
Free of charge online textbook in ALGEBRA-I
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to your archive and use it when it is needed.
