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John Son
Questions (1)
A rock contains 270 mmol of 238 U (t1/2= 4.5*10^9 yr) and
110 mmol of 206 Pb. Assuming that all the 206 Pb comes from decay of
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Answers (1)
I know that this is an old thread, but if dilute soln/concd soln, then the answer is negative.
