Too much manganese in drinking water can cause the following undesirable effects: black to brown color; black staining; bitter metallic taste . The EPA's Secondary Maximum Contaminant Level for manganese in drinking water is 5.0010-2 mg/L. (1) If 3.82104 liters of water in a storage tank contains 0.942 grams of Mn , what is the contaminant level in ppm? ppm Assume that the density of the impure water is 1.00 g/mL. (2) Is this level acceptable based on EPA guidelines? (Acceptable or not acceptable)