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Posted by on Wednesday, August 31, 2011 at 11:11pm.

Mercury concentration in a polluted lake is 0.0125 micrograms/L. What is the total mass in kilograms of mercury in the lake if the lake is approximately circular witha diameter of 10 miles and an average depth of 50 ft.?

  • Chemstry - , Thursday, September 1, 2011 at 12:26am

    Convert 5 mi radius to cm and 50 ft depth to cm, then pi*r^2*h will give you the volume in cc. Then convert cc to L and multiply by 0.0125 to give micrograms Hg in the lake. Convert to kg. Post your work if you get stuck.

  • Chemstry - , Friday, October 12, 2012 at 1:41pm

    2.2345x10^-2kg

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