🤓 Based on our data, we think this question is relevant for Professor Gillespie's class at FIU.

The **density of Hg was given as 0.4 μg Hg/mL**. Now the** density is basically mass per unit volume** so we can calculate mass using the density and the volume.

However, we don't have a value for **volume** so we have to calculate that using the **surface area and the depth** using the formula below:

Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes leading to irreversible inactivity of these enzymes. If the amount of mercury in a polluted lake is 0.4 μg Hg/mL, what is the total mass in kilograms of mercury in the lake? (The lake has a surface area of 100 mi^{2} and an average depth of 20 ft.)

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Our tutors have indicated that to solve this problem you will need to apply the Density concept. You can view video lessons to learn Density. Or if you need more Density practice, you can also practice Density practice problems.

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Based on our data, we think this problem is relevant for Professor Gillespie's class at FIU.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl 2nd Edition practice problems.