换算关系如下: 1 mg/L = 1000 μg/L 1 μg/L = 10^-6 mol/L 因此,1 mg/L = 1000 × 10^-6 mol/L = 10^-3 mol/L 由于1 mol/L = 1000 mmol/L,所以 1 mg/L = 10...