ADD THEM all, and then divide by four. Thats what I would do!
Answer:
[O2(g)][SO2(g)]^2/[SO3(g)]^2
Answer: A decomposition reaction occurs when one reactant breaks down into two or more products.
Mark me as brainilist pls
Hope this helps :) I didn’t know how to write subscripts so I wrote it down on some paper.