Question:

Iron concentrations greater than 6.30×10-6 M in water used

Last updated: 8/4/2022

Iron concentrations greater than 6.30×10-6 M in water used

Iron concentrations greater than 6.30×10-6 M in water used for laundry purposes can cause staining. What [OH-] is required to reduce Fe2+ to this level by precipitation of Fe(OH)2? (Ksp = 8.0x10-16)