9.8g of iron(II)salt FeSO4.(NH4)2SO4.6H2O was dissolved in dissolved in dilute sulphuric(VI)acid.Distilled water was added to it and made upto 250cm.25cm³ of this solution was pippeted and transferred to a conical flask.It was found that this solution required.Use the ionic equation below to assist you answer the questions below
MnO4^+-+8H^-+5Fe^2+~Mn^2+ +5Fe^3+4H2O