Oxidation Number and Balancing
MnO2 HCl Reaction Chlorine Yield
Aqueous HCl reacts with MnO2(s) to form MnCl2(aq), Cl2(g) and H2O(l). What is the weight (in g) of Cl2 liberated when 8.7 g of MnO2(s) is reacted with excess aqueous HCl solution ? (Given Molar mass
in g mol–1 Mn = 55, Cl = 35.5, O = 16, H = 1)