4Fe + 302 → 2Fe2O3 If you react exactly 13.5 moles of Oz, how many moles of Fe2O3 can be produced?

Ithink its solid. hope this

C) electrons encircling a nucleus with neutrons and protons

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.