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September 16, 2014

Homework Help: Chemistry

Posted by Leo on Monday, February 15, 2010 at 6:15pm.

It is estimated that uranium is relatively common in the earth’s crust, occurring in amounts of 4 g/metric ton. A metric ton is 1000 kg. At this concentration, what mass of uranium is present in 1.0 mg of the earth’s crust?

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