APFIVE pH and Heavy Metal Concentration
In a certain stream, heavy metal concentration is 0.5 mg/L at pH 7. For each unit decrease in pH below 7, the metal solubility increases by a factor of 1.8. What is the expected heavy metal concentration at pH 5?
A
2.00 mg/L
B
1.50 mg/L
C
1.80 mg/L
D
1.62 mg/L
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