1.
Balance the following equation and choose the quantity which is the sum of the coefficients of reactants and products:
KMnO4+H2O2+H2SO4→MnSO4+O2+H2O+K2SO4\mathrm{KMnO_4} + \mathrm{H_2O_2} + \mathrm{H_2SO_4} \rightarrow \mathrm{MnSO_4} + \mathrm{O_2} + \mathrm{H_2O} + \mathrm{K_2SO_4}