disulfur dichloride, S2Cl2 S2 + 4 Cl2 = 4 S2Cl2 is used to vulcanize rubber. Starting with a mixture of 32 g of sulfur and 71 g of Cl2 which is the limiting reactant? what is the theorectical yield of disulfure chloride? what mass of the excess reactant reamains when the reaction is completed?