find composition of post-reaction mixture if 10.0g of sulfur and 20.0g of iron were reacted in a closed container producing iron (II) sulfide

Answer 1

I don't know what the problem is asking. The word composition seems out of place with the rest of the problem.

Answer 2

that is exactly how it is worded on the pretest we have to study by

Answer 3

Find composition of post-reaction mixture if 10.0 g of sulfur and 20.0 g of iron were reacted in a closed container producing iron (II) sulfide.