Recent content by izzypink

Hi just wondering if you could help, I've stumbled across an example question where the iron purity is meant to be above 80% when 8H+ + 5Fe2+ + MnO4- → 5Fe3+ + Mn2+ + 4H2O 15cm3 is titrated and concentration of potassium permanganate used is 0.02M So far I have worked out Number...