Reaction of 0.37 g (S2) and 0.15 g (O2) give (5402). If enough O2 is available reaction is complete to produce (5403). What is the limiting reactant of first reaction and calculate the mass of (540) O O2, 1.2 g O 02, 0.4 g S2, 0.74 g OS2, 1.48 g