I have been struggling with this question for well over two hours, and I still haven't figured it out...any assistance would be much appreciated. The question is:
If the mercury concentration in a polar bear is 1.23 ppm, what is the mass of the mercury in a 900 kg bear?
Please show steps + formulas if possible...I have five other questions like this that I would like to solve for myself.
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10-19-2008, 08:08 PM #1?•(YvonneTheGreat)•?
GuestPlease help! What is the mass of mercury in the given situation?
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10-19-2008, 08:10 PM #2Jeff Jacob Lourie
Guest
900kg = 900,000g/1,000,000=.9g
Assuming that all parts of a polar bear are of equal weight (which I doubt) that means that one millionth of a polar bear weighs .9g.
Therefore the weight of Hg in the bear should be 1.23x.9g=1.107g
Now all we have to figure out is the relationship of weight and mass.
Can you take it from there?
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