pH and Heavy Metal Concentration
The concentration of a heavy metal in a stream is 0.5 mg/L when the pH is 7. For each one-unit decrease in pH, the solubility of the metal increases by a factor of 1.8. What is the expected concentration of this heavy metal if the stream’s pH falls to 5?
A
1.80 mg/L
B
2.00 mg/L
C
1.62 mg/L
D
1.50 mg/L
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