SO2 present in air can be analyzed by titraion with permangante ions, as described in the equation:
5SO4 + 2MnO4- + 2H2O ----> 5SO4 2- +2Mn 2+ +4H+
How many grams of SO2 are in a sample of air if the sample requires 9.37mL of 0.00800M KMnO4 for titration? Is the reaction a redox reaction? Explain.