Consider a different titration for this exercise. Potassiumpermanganate (KMnO4) is the titrant and hydrogen peroxide (H2O2)the analyte according to the following balanced chemical equation.2 MnO4− + 5 H2O2 + 6 H + → 2 Mn2+ + 5 O2 + 8 H2O
(a) What is the stoichiometry of MnO4− to H2O2? (ratio)
(b) Complete the following table for this titration. Data TableP3: Titration of hydrogen peroxide with potassium permanganate.
concentration of MnO4− 0.556 M
volume H2O2 solution 18.34 mL
mass H2O2 solution 18.42 g
volume of MnO4− solution 16.23 mL
Questions:
mmol of MnO4− : ?
mmol of H2O2: ?
mass of H2O2: ?
mass % of H2O2Â Â in the original sample: ?
molarity of H2O2 in the original sample: ?
