The rate of disappearance of SO2 in the reaction; 2S02 +02 → 2S03 is 1.28 x10-3g/sec. Then the rate of formation of SO3 is:
(a) 0.64 x10-3 g/sec.
(b) 0.80x10-3 g/sec
(c) 1.28 x10-1 g/sec
(d) 1.60 x10-3 g/sec