How man grams of Fe+3 are required to make 1.0L of an aqueous solution of 10 ppm Fe+3: (Assume the densit of water is 1.00g/mL)
A good conversion factor to remember is 1 ppm = 1 mg/L.
You want a L of 10 ppm so you want 10 mg Fe^3+
You want a L of 10 ppm so you want 10 mg Fe^3+