Lead is the least toxic to fish compared to zinc, copper, and mercury ions. Fish can tolerate a concentration slightly above 0.85 mM. What is the lead concentration in mg/L?

Question

Quizplus · Accepted Answer

The molar mass of lead (Pb) is approximately 207.2 g/mol. To convert 0.85 mM to mg/L, multiply 0.85 mmol/L by 207.2 mg/mmol, resulting in approximately 176.12 mg/L, which is closest to 180 mg/L.

Lead Is the Least Toxic to Fish Compared to Zinc