Given the balanced equation, #2SO_2 + O_2 -> 2SO_3# , what is the molar ratio of #O_2# to #SO_3#?

2 Answers
May 1, 2016

One mole of #O_2# will produce two moles of #SO_3#, so the mole ratio is 1:2.

May 1, 2016

If one mole of #O_2# gives you 2 moles of #SO_3#, then the mole ratio between #O_2 : SO_3# is 1 : 2