Here is a worked example that will take care of all of your stoichiometry problems. Remember that 1 mole of gas at STP occupies 22.4L
http://www.jiskha.com/science/chemistry/stoichiometry.html
Please help again. How many grams of lithium are required to completely react with 70.7 mL of N2 gas at STP when given the following reaction:
6Li + N2 = 2Li3N
2 answers
Thank you, Dr. Bob! Wish YOU would have written my chemistry book!