what is the number of moles of a 0.05 M KMnO4 solution that react with 20 ml of a 0.02 M solution of FeCl2 if 75 ml of KMnO4 was required
Is FeCl2 the limiting reagent?
millimols FeCl2 = mL x M = 20 x 0.2 = 0.4
mmols KMnO4 that reacts will be 0.4/5 = ?