2.A the following reaction is a balanced reaction for the combustion of ethane: 2C2H6(g) + 7O2(g) -> 6H2O(g) + 4CO2(g)

if 5.00L of oxygen gas are used in the reaction, and the react occurs at SATP condition,

2.B what volume of carbon dioxide is expected to be produced?

what mass of carbon dioxide is expected? (Determine this using molar volume, not PV=nRT

b. is the answer hoped i        

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.