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.?
2 answers
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.
2.2345x10^-2kg
2 answers