4. Calculate, theoretically, how many moles of CO2, should have been produced by using the number of moles of NaHCO3, calculated in #2 and the mole ratio in #3.

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited.   "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.

take a better picture and ill do it