parkertamara291 parkertamara291 22-05-2023 Chemistry contestada Reaction: 2K2O+4MnO2+3O2(g) 4KMnO4 (aq) If you start with 291(g) of MnO2, how many moles of NaOH will you start with? (The molar mass of MnO2 is 87 for every 1 mole)