How many grams of fe2o3 of are needed to react with an excess of co to produce 56.7 g fe? show your work. (4 points) fe2o3 (s) + 3 co (g)  3co2 (g) + 2fe (s)

81g of Fe2O3 are needed

Explanation:Please see attachment for explanation

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.