I have struggled to get the answer. A classmate said it was 159, though I would like to see the steps in demensional analysis, with correct sig figs.

thank you!

4 th attempt Whal See Periodic Table O See Hint If the concentration of mercury in the water of a polluted lake is 0.300g (micrograms) per liter of water, what is the total mass of mercury in the lake, in kilograms, if the lake has a surface area of 14.0 square miles and an average depth of 45.0 feet? x 1] kg of mercury