what is the number of moles in 500L of He gas at STP?
Its multiple choice question:
a. 0.05 moles
b. 0.2 moles
d. 90 moles
I dont get this please give a method and procedure as well
- NC4TCLv 69 years agoFavorite Answer
At STP a mole of any gas occupies 22.4 L. So 500L/22.4L/m =22.32m, however 500 has only 1 sig fig so 20 moles is the correct answer