Need help on CHEM HW ASAP: Estimate the age of the Uranium ore..

timer Asked: Jan 13th, 2016

Question description

Hi, I was wondering if I could get some help solving a problem on my Chemistry homework. I am a Junior in highschool enrolled in an Honors Chemistry class. My teacher gave us a list of 9 extremely challenging problems to complete for test prep, and I can't seem to get one:

 A sample of Uranium ore is found to contain 4.64mg of 238U and 1.22mg of 206Pb. Estimate the age of the ore. The half-life of 238U is 4.51 * 109 yrs. and the mass of the isotope is 238u.

 Any help is appreciated, thank you.

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