Question

Xin

請問有人會這題嗎

59 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
2910 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 mi² and an average depth of 20 ft.)