9. Solutions
Parts per Million (ppm)
2PRACTICE PROBLEM
Water standards set that the maximum contaminant levels (MCL) of mercury and cadmium in water are 0.002 mg/kg and 0.005 mg/kg, respectively. What are these values in parts per million (ppm) and indicate the maximum level of each contaminant (in mg) in 200 g of water?
Water standards set that the maximum contaminant levels (MCL) of mercury and cadmium in water are 0.002 mg/kg and 0.005 mg/kg, respectively. What are these values in parts per million (ppm) and indicate the maximum level of each contaminant (in mg) in 200 g of water?